diff --git a/client/src/elm/MassiveDecks/Card/Source.elm b/client/src/elm/MassiveDecks/Card/Source.elm
index 2559c5c1..1df39d27 100644
--- a/client/src/elm/MassiveDecks/Card/Source.elm
+++ b/client/src/elm/MassiveDecks/Card/Source.elm
@@ -21,6 +21,7 @@ import Html.Attributes as HtmlA
 import MassiveDecks.Card.Source.BuiltIn as BuiltIn
 import MassiveDecks.Card.Source.Custom as Player
 import MassiveDecks.Card.Source.Fake as Fake
+import MassiveDecks.Card.Source.Generated as Generated
 import MassiveDecks.Card.Source.JsonAgainstHumanity as JsonAgainstHumanity
 import MassiveDecks.Card.Source.ManyDecks as ManyDecks
 import MassiveDecks.Card.Source.Methods exposing (..)
@@ -250,6 +251,9 @@ methods source =
         Custom ->
             Player.methods
 
+        Generated ->
+            Generated.methods
+
         Fake fakeName ->
             Fake.methods fakeName
 
diff --git a/client/src/elm/MassiveDecks/Card/Source/Generated.elm b/client/src/elm/MassiveDecks/Card/Source/Generated.elm
new file mode 100644
index 00000000..42d18a7e
--- /dev/null
+++ b/client/src/elm/MassiveDecks/Card/Source/Generated.elm
@@ -0,0 +1,32 @@
+module MassiveDecks.Card.Source.Generated exposing (..)
+
+import MassiveDecks.Card.Source.Methods as Source
+import MassiveDecks.Model exposing (Shared)
+import MassiveDecks.Strings as Strings
+import MassiveDecks.Strings.Languages as Lang
+
+
+methods : Source.Methods msg
+methods =
+    { name = \() -> Strings.Generated
+    , logo = \() -> Nothing
+    , defaultDetails =
+        \shared ->
+            { name = name shared
+            , url = Nothing
+            , translator = Nothing
+            , author = Nothing
+            , language = Nothing
+            }
+    , tooltip = \_ -> Nothing
+    , messages = \() -> []
+    }
+
+
+
+{- Private -}
+
+
+name : Shared -> String
+name shared =
+    Strings.Generated |> Lang.string shared
diff --git a/client/src/elm/MassiveDecks/Card/Source/Model.elm b/client/src/elm/MassiveDecks/Card/Source/Model.elm
index c86a5eed..96b12dda 100644
--- a/client/src/elm/MassiveDecks/Card/Source/Model.elm
+++ b/client/src/elm/MassiveDecks/Card/Source/Model.elm
@@ -29,13 +29,15 @@ type General
 {-| Details on where game data came from.
 
     - `Ex`: External sources are the main sources of cards users can add.
-    - `Player`: These are cards written by the given player.
+    - `Custom`: These are cards written by the given player.
+    - `Generated`: These are cards generated during a game for reasons such as house rules.
     - `Fake`: These are cards used for presentation outside of a game environment.
 
 -}
 type Source
     = Ex External
     | Custom
+    | Generated
     | Fake (Maybe String)
 
 
diff --git a/client/src/elm/MassiveDecks/Game/Rules.elm b/client/src/elm/MassiveDecks/Game/Rules.elm
index f94454f5..886ebf03 100644
--- a/client/src/elm/MassiveDecks/Game/Rules.elm
+++ b/client/src/elm/MassiveDecks/Game/Rules.elm
@@ -1,5 +1,6 @@
 module MassiveDecks.Game.Rules exposing
     ( ComedyWriter
+    , HappyEnding
     , HouseRules
     , NeverHaveIEver
     , PackingHeat
@@ -31,6 +32,7 @@ type alias HouseRules =
     , reboot : Maybe Reboot
     , comedyWriter : Maybe ComedyWriter
     , neverHaveIEver : Maybe NeverHaveIEver
+    , happyEnding : Maybe HappyEnding
     }
 
 
@@ -73,3 +75,7 @@ type alias ComedyWriter =
 
 type alias NeverHaveIEver =
     {}
+
+
+type alias HappyEnding =
+    {}
diff --git a/client/src/elm/MassiveDecks/Models/Decoders.elm b/client/src/elm/MassiveDecks/Models/Decoders.elm
index 75bd723d..45d09adc 100644
--- a/client/src/elm/MassiveDecks/Models/Decoders.elm
+++ b/client/src/elm/MassiveDecks/Models/Decoders.elm
@@ -228,6 +228,9 @@ sourceByName name =
         "Custom" ->
             Json.succeed Source.Custom
 
+        "Generated" ->
+            Json.succeed Source.Generated
+
         _ ->
             Json.field "source" Source.generalDecoder |> Json.andThen externalSourceByGeneral |> Json.map Source.Ex
 
@@ -410,6 +413,7 @@ houseRules =
         |> Json.optional "reboot" (reboot |> Json.map Just) Nothing
         |> Json.optional "comedyWriter" (comedyWriter |> Json.map Just) Nothing
         |> Json.optional "neverHaveIEver" (neverHaveIEver |> Json.map Just) Nothing
+        |> Json.optional "happyEnding" (happyEnding |> Json.map Just) Nothing
 
 
 comedyWriter : Json.Decoder Rules.ComedyWriter
@@ -429,6 +433,11 @@ neverHaveIEver =
     {} |> Json.succeed
 
 
+happyEnding : Json.Decoder Rules.HappyEnding
+happyEnding =
+    {} |> Json.succeed
+
+
 reboot : Json.Decoder Rules.Reboot
 reboot =
     Json.map Rules.Reboot
diff --git a/client/src/elm/MassiveDecks/Models/Encoders.elm b/client/src/elm/MassiveDecks/Models/Encoders.elm
index 12a61bd3..15aa2de6 100644
--- a/client/src/elm/MassiveDecks/Models/Encoders.elm
+++ b/client/src/elm/MassiveDecks/Models/Encoders.elm
@@ -117,6 +117,7 @@ houseRules h =
             , h.reboot |> Maybe.map (\r -> ( "reboot", reboot r ))
             , h.comedyWriter |> Maybe.map (\c -> ( "comedyWriter", comedyWriter c ))
             , h.neverHaveIEver |> Maybe.map (\n -> ( "neverHaveIEver", neverHaveIEver n ))
+            , h.happyEnding |> Maybe.map (\e -> ( "happyEnding", happyEnding e ))
             ]
         )
 
@@ -141,6 +142,11 @@ neverHaveIEver _ =
     Json.object []
 
 
+happyEnding : Rules.HappyEnding -> Json.Value
+happyEnding _ =
+    Json.object []
+
+
 comedyWriter : Rules.ComedyWriter -> Json.Value
 comedyWriter { number, exclusive } =
     Json.object [ ( "number", number |> Json.int ), ( "exclusive", exclusive |> Json.bool ) ]
diff --git a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Model.elm b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Model.elm
index 2d7d53f9..0b76cf99 100644
--- a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Model.elm
+++ b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Model.elm
@@ -71,6 +71,7 @@ fake =
             , reboot = Nothing
             , comedyWriter = Nothing
             , neverHaveIEver = Nothing
+            , happyEnding = Nothing
             }
         , stages =
             { mode = Rules.Soft
diff --git a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules.elm b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules.elm
index 9fe76905..6193451e 100644
--- a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules.elm
+++ b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules.elm
@@ -5,6 +5,7 @@ import MassiveDecks.Pages.Lobby.Configure.Configurable as Configurable
 import MassiveDecks.Pages.Lobby.Configure.Configurable.Editor as Editor
 import MassiveDecks.Pages.Lobby.Configure.Configurable.Model exposing (Configurable)
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.ComedyWriter as ComedyWriter
+import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.HappyEnding as HappyEnding
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.Model exposing (..)
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.NeverHaveIEver as NeverHaveIEver
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.PackingHeat as PackingHeat
@@ -24,5 +25,6 @@ all =
             , Reboot.all |> Configurable.wrap RebootId (.reboot >> Just) (\v p -> { p | reboot = v })
             , ComedyWriter.all |> Configurable.wrap ComedyWriterId (.comedyWriter >> Just) (\v p -> { p | comedyWriter = v })
             , NeverHaveIEver.all |> Configurable.wrap NeverHaveIEverId (.neverHaveIEver >> Just) (\v p -> { p | neverHaveIEver = v })
+            , HappyEnding.all |> Configurable.wrap HappyEndingId (.happyEnding >> Just) (\v p -> { p | happyEnding = v })
             ]
         }
diff --git a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/HappyEnding.elm b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/HappyEnding.elm
new file mode 100644
index 00000000..a9deed35
--- /dev/null
+++ b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/HappyEnding.elm
@@ -0,0 +1,31 @@
+module MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.HappyEnding exposing (all)
+
+import MassiveDecks.Components.Form.Message as Message
+import MassiveDecks.Game.Rules as Rules
+import MassiveDecks.Pages.Lobby.Configure.Configurable as Configurable
+import MassiveDecks.Pages.Lobby.Configure.Configurable.Editor as Editor
+import MassiveDecks.Pages.Lobby.Configure.Configurable.Model exposing (Configurable)
+import MassiveDecks.Pages.Lobby.Configure.Configurable.Validator as Validator
+import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.HappyEnding.Model exposing (..)
+import MassiveDecks.Strings as Strings
+
+
+all : Configurable Id (Maybe Rules.HappyEnding) model msg
+all =
+    Configurable.group
+        { id = All
+        , editor = Editor.group Nothing False False
+        , children =
+            [ enabled |> Configurable.wrapAsToggle {}
+            ]
+        }
+
+
+enabled : Configurable Id Bool model msg
+enabled =
+    Configurable.value
+        { id = Enabled
+        , editor = Editor.bool Strings.HouseRuleHappyEnding
+        , validator = Validator.none
+        , messages = always [ Message.info Strings.HouseRuleHappyEndingDescription ]
+        }
diff --git a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/HappyEnding/Model.elm b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/HappyEnding/Model.elm
new file mode 100644
index 00000000..740e1f3a
--- /dev/null
+++ b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/HappyEnding/Model.elm
@@ -0,0 +1,6 @@
+module MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.HappyEnding.Model exposing (Id(..))
+
+
+type Id
+    = All
+    | Enabled
diff --git a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/Model.elm b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/Model.elm
index b6adae43..afa07bb2 100644
--- a/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/Model.elm
+++ b/client/src/elm/MassiveDecks/Pages/Lobby/Configure/Rules/HouseRules/Model.elm
@@ -2,6 +2,7 @@ module MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.Model exposing (Id(..
 
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.ComedyWriter.Model as ComedyWriter
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.NeverHaveIEver.Model as NeverHaveIEver
+import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.HappyEnding.Model as HappyEnding
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.PackingHeat.Model as PackingHeat
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.Rando.Model as Rando
 import MassiveDecks.Pages.Lobby.Configure.Rules.HouseRules.Reboot.Model as Reboot
@@ -14,3 +15,4 @@ type Id
     | ComedyWriterId ComedyWriter.Id
     | RebootId Reboot.Id
     | NeverHaveIEverId NeverHaveIEver.Id
+    | HappyEndingId HappyEnding.Id
diff --git a/client/src/elm/MassiveDecks/Pages/Start.elm b/client/src/elm/MassiveDecks/Pages/Start.elm
index 80421cca..2eedae0d 100644
--- a/client/src/elm/MassiveDecks/Pages/Start.elm
+++ b/client/src/elm/MassiveDecks/Pages/Start.elm
@@ -583,6 +583,7 @@ houseRules =
     , ( Strings.HouseRuleRandoCardrissian, Strings.HouseRuleRandoCardrissianDescription )
     , ( Strings.HouseRuleComedyWriter, Strings.HouseRuleComedyWriterDescription )
     , ( Strings.HouseRuleNeverHaveIEver, Strings.HouseRuleNeverHaveIEverDescription )
+    , ( Strings.HouseRuleHappyEnding, Strings.HouseRuleHappyEnding )
     ]
 
 
diff --git a/client/src/elm/MassiveDecks/Strings.elm b/client/src/elm/MassiveDecks/Strings.elm
index ec871230..5c37e648 100644
--- a/client/src/elm/MassiveDecks/Strings.elm
+++ b/client/src/elm/MassiveDecks/Strings.elm
@@ -116,6 +116,8 @@ type MdString
     | HouseRuleRandoCardrissianNumberDescription -- A description of the setting for the number of bots added to the game.
     | HouseRuleNeverHaveIEver -- The name of the house rule where players can discard cards, sharing the discarded card.
     | HouseRuleNeverHaveIEverDescription -- A description of the house rule where players can discard cards, sharing the discarded card.
+    | HouseRuleHappyEnding -- The name of the house rule where the game ends with the haiku card.
+    | HouseRuleHappyEndingDescription -- A description of the house rule where the game ends with the haiku card.
     | MustBeMoreThanOrEqualValidationError { min : Int } -- An error when a configuration value must be more than or equal to the given value.
     | MustBeLessThanOrEqualValidationError { max : Int } -- An error when a configuration value must be less than or equal to the given value.
     | SetValue { value : Int } -- A description of the action of resolving a problem by setting the value to the given one.
@@ -254,6 +256,7 @@ type MdString
     | JsonAgainstHumanityAbout -- A short description of the JSON Against Humanity source.
     | BuiltIn -- A term referring to decks of cards that are provided by this instance of the game.
     | APlayer -- A short description of a generic player in the game in the context of being the author of a card.
+    | Generated -- A short description of a card generated during the game.
     | DeckAlreadyAdded -- A description of the problem of the deck already being added to the game configuration.
     | ConfigureDecks -- A name for the section of the configuration screen for changing the decks for the game.
     | ConfigureRules -- A name for the section of the configuration screen for changing the rules for the game.
diff --git a/client/src/elm/MassiveDecks/Strings/Languages/De.elm b/client/src/elm/MassiveDecks/Strings/Languages/De.elm
index e9672d7a..c97f558e 100644
--- a/client/src/elm/MassiveDecks/Strings/Languages/De.elm
+++ b/client/src/elm/MassiveDecks/Strings/Languages/De.elm
@@ -346,6 +346,14 @@ translate _ mdString =
             , Text "eingestehen: die Karte wird öffentlich geteilt."
             ]
 
+        -- TODO: Translate
+        HouseRuleHappyEnding ->
+            [ Missing ]
+
+        -- TODO: Translate
+        HouseRuleHappyEndingDescription ->
+            [ Missing ]
+
         MustBeMoreThanOrEqualValidationError { min } ->
             [ Text "Der Wert muss mindestens ", Text (String.fromInt min), Text " betragen." ]
 
@@ -803,6 +811,10 @@ translate _ mdString =
         APlayer ->
             [ Text "Ein Spieler" ]
 
+        -- TODO: Translate
+        Generated ->
+            [ Missing ]
+
         DeckAlreadyAdded ->
             [ Text "Dieser Kartensatz ist bereits im Spiel." ]
 
diff --git a/client/src/elm/MassiveDecks/Strings/Languages/DeXInformal.elm b/client/src/elm/MassiveDecks/Strings/Languages/DeXInformal.elm
index 2d95f293..97c8aa62 100644
--- a/client/src/elm/MassiveDecks/Strings/Languages/DeXInformal.elm
+++ b/client/src/elm/MassiveDecks/Strings/Languages/DeXInformal.elm
@@ -346,6 +346,14 @@ translate _ mdString =
             , Text "eingestehen: die Karte wird öffentlich geteilt."
             ]
 
+        -- TODO: Translate
+        HouseRuleHappyEnding ->
+            [ Missing ]
+
+        -- TODO: Translate
+        HouseRuleHappyEndingDescription ->
+            [ Missing ]
+
         MustBeMoreThanOrEqualValidationError { min } ->
             [ Text "Der Wert muss mindestens ", Text (String.fromInt min), Text " betragen." ]
 
@@ -802,6 +810,10 @@ translate _ mdString =
         APlayer ->
             [ Text "Ein Spieler" ]
 
+        -- TODO: Translate
+        Generated ->
+            [ Missing ]
+
         DeckAlreadyAdded ->
             [ Text "Dieser Kartensatz ist bereits im Spiel." ]
 
diff --git a/client/src/elm/MassiveDecks/Strings/Languages/En/Internal.elm b/client/src/elm/MassiveDecks/Strings/Languages/En/Internal.elm
index ba732199..49f32662 100644
--- a/client/src/elm/MassiveDecks/Strings/Languages/En/Internal.elm
+++ b/client/src/elm/MassiveDecks/Strings/Languages/En/Internal.elm
@@ -301,6 +301,12 @@ translate _ mdString =
             , Text "ignorance: the card is shared publicly."
             ]
 
+        HouseRuleHappyEnding ->
+            [ Text "Happy Ending" ]
+
+        HouseRuleHappyEndingDescription ->
+            [ Text "When the game ends, the final round is a 'Make a Haiku' black card." ]
+
         MustBeMoreThanOrEqualValidationError { min } ->
             [ Text "The value must be at least ", Text (String.fromInt min), Text "." ]
 
@@ -758,6 +764,9 @@ translate _ mdString =
         APlayer ->
             [ Text "A Player" ]
 
+        Generated ->
+            [ Text "Generated" ]
+
         DeckAlreadyAdded ->
             [ Text "This deck is already in the game." ]
 
diff --git a/client/src/elm/MassiveDecks/Strings/Languages/Id.elm b/client/src/elm/MassiveDecks/Strings/Languages/Id.elm
index a381c043..ce1aa89a 100644
--- a/client/src/elm/MassiveDecks/Strings/Languages/Id.elm
+++ b/client/src/elm/MassiveDecks/Strings/Languages/Id.elm
@@ -336,6 +336,14 @@ translate _ mdString =
             , Text "ketidaktahuan: kartu dibagikan secara publik."
             ]
 
+        -- TODO: Translate
+        HouseRuleHappyEnding ->
+            [ Missing ]
+
+        -- TODO: Translate
+        HouseRuleHappyEndingDescription ->
+            [ Missing ]
+
         MustBeMoreThanOrEqualValidationError { min } ->
             [ Text "Nilai minimal harus ", Text (String.fromInt min), Text "." ]
 
@@ -793,6 +801,10 @@ translate _ mdString =
         APlayer ->
             [ Text "Seorang Player" ]
 
+        -- TODO: Translate
+        Generated ->
+            [ Missing ]
+
         DeckAlreadyAdded ->
             [ Text "Dek ini sudah ada dalam game." ]
 
diff --git a/client/src/elm/MassiveDecks/Strings/Languages/It.elm b/client/src/elm/MassiveDecks/Strings/Languages/It.elm
index 81121e91..886072ad 100644
--- a/client/src/elm/MassiveDecks/Strings/Languages/It.elm
+++ b/client/src/elm/MassiveDecks/Strings/Languages/It.elm
@@ -350,6 +350,14 @@ translate _ mdString =
         HouseRuleNeverHaveIEverDescription ->
             [ Missing ]
 
+        -- TODO: Translate
+        HouseRuleHappyEnding ->
+            [ Missing ]
+
+        -- TODO: Translate
+        HouseRuleHappyEndingDescription ->
+            [ Missing ]
+
         MustBeMoreThanOrEqualValidationError { min } ->
             [ Text "Il valore deve essere almeno ", Text (String.fromInt min), Text "." ]
 
@@ -817,6 +825,10 @@ translate _ mdString =
         APlayer ->
             [ Text "Un giocatore" ]
 
+        -- TODO: Translate
+        Generated ->
+            [ Missing ]
+
         DeckAlreadyAdded ->
             [ Text "Questo mazzo è già nel gioco." ]
 
diff --git a/client/src/elm/MassiveDecks/Strings/Languages/Pl.elm b/client/src/elm/MassiveDecks/Strings/Languages/Pl.elm
index 52ed975e..c1142e93 100644
--- a/client/src/elm/MassiveDecks/Strings/Languages/Pl.elm
+++ b/client/src/elm/MassiveDecks/Strings/Languages/Pl.elm
@@ -379,6 +379,14 @@ translate maybeDeclCase mdString =
             , Text "ignorancję: wyrzucona karta będzie publicznie widoczna."
             ]
 
+        -- TODO: Translate
+        HouseRuleHappyEnding ->
+            [ Missing ]
+
+        -- TODO: Translate
+        HouseRuleHappyEndingDescription ->
+            [ Missing ]
+
         MustBeMoreThanOrEqualValidationError { min } ->
             [ Text "Wartość musi być większa lub równa ", Text (String.fromInt min), Text "." ]
 
@@ -905,6 +913,10 @@ translate maybeDeclCase mdString =
         APlayer ->
             [ Text "Gracz" ]
 
+        -- TODO: Translate
+        Generated ->
+            [ Missing ]
+
         DeckAlreadyAdded ->
             [ Text "Ta talia jest już w grze." ]
 
diff --git a/client/src/elm/MassiveDecks/Strings/Languages/PtBR.elm b/client/src/elm/MassiveDecks/Strings/Languages/PtBR.elm
index c2ef28bb..fe2ace01 100644
--- a/client/src/elm/MassiveDecks/Strings/Languages/PtBR.elm
+++ b/client/src/elm/MassiveDecks/Strings/Languages/PtBR.elm
@@ -346,6 +346,14 @@ translate _ mdString =
             , Text "ignorância: a carta é compartilhada publicamente."
             ]
 
+        -- TODO: Translate
+        HouseRuleHappyEnding ->
+            [ Missing ]
+
+        -- TODO: Translate
+        HouseRuleHappyEndingDescription ->
+            [ Missing ]
+
         MustBeMoreThanOrEqualValidationError { min } ->
             [ Text "O valor deve ser ao menos ", Text (String.fromInt min), Text "." ]
 
@@ -804,6 +812,10 @@ translate _ mdString =
         APlayer ->
             [ Text "Um jogador" ]
 
+        -- TODO: Translate
+        Generated ->
+            [ Missing ]
+
         DeckAlreadyAdded ->
             [ Text "Este deck já está no jogo." ]
 
diff --git a/client/src/elm/MassiveDecks/Strings/Render.elm b/client/src/elm/MassiveDecks/Strings/Render.elm
index e84074bf..68f6101d 100644
--- a/client/src/elm/MassiveDecks/Strings/Render.elm
+++ b/client/src/elm/MassiveDecks/Strings/Render.elm
@@ -211,6 +211,9 @@ enhanceHtml context mdString unenhanced =
         HouseRuleNeverHaveIEver ->
             prefixed unenhanced Icon.trash
 
+        HouseRuleHappyEnding ->
+            prefixed unenhanced Icon.smile
+
         RereadGames ->
             [ Html.blankA [ HtmlA.class "no-wrap", HtmlA.href "https://www.rereadgames.com/" ] unenhanced ]
 
diff --git a/server/config.json5 b/server/config.json5
index f8b9e0b2..557a7982 100644
--- a/server/config.json5
+++ b/server/config.json5
@@ -61,7 +61,8 @@
         // reboot: { cost: 1 },
         // comedyWriter: { number: 300, exclusive: true },
         // rando: { number: 1 },
-        // neverHaveIEver: {}
+        // neverHaveIEver: {},
+        // happyEnding: {}
       },
       stages: {
         timeLimitMode: "Soft",
diff --git a/server/src/ts/action/validation.validator.ts b/server/src/ts/action/validation.validator.ts
index a9c4c3b5..6ee36a92 100644
--- a/server/src/ts/action/validation.validator.ts
+++ b/server/src/ts/action/validation.validator.ts
@@ -383,6 +383,18 @@ export const Schema = {
       required: ["action", "card", "text"],
       type: "object",
     },
+    HappyEnding: {
+      $ref: "#/definitions/HappyEnding_1",
+      description:
+        "Configuration for the \"Happy Ending\" house rule.\nWhen the game ends, the final round is a 'Make a Haiku' black card.",
+    },
+    HappyEnding_1: {
+      additionalProperties: false,
+      defaultProperties: [],
+      description:
+        "Configuration for the \"Happy Ending\" house rule.\nWhen the game ends, the final round is a 'Make a Haiku' black card.",
+      type: "object",
+    },
     Id: {
       description: "A unique id for an instance of a card.",
       type: "string",
@@ -627,6 +639,9 @@ export const Schema = {
         comedyWriter: {
           $ref: "#/definitions/ComedyWriter",
         },
+        happyEnding: {
+          $ref: "#/definitions/HappyEnding",
+        },
         neverHaveIEver: {
           $ref: "#/definitions/NeverHaveIEver",
         },
diff --git a/server/src/ts/games/cards/source.ts b/server/src/ts/games/cards/source.ts
index c04a565e..e4cebf83 100644
--- a/server/src/ts/games/cards/source.ts
+++ b/server/src/ts/games/cards/source.ts
@@ -1,6 +1,7 @@
 import * as Cache from "../../cache";
 import * as Decks from "./decks";
 import { Custom } from "./sources/custom";
+import { Generated } from "./sources/generated";
 import { BuiltIn } from "./sources/builtIn";
 import { ManyDecks } from "./sources/many-decks";
 import { JsonAgainstHumanity } from "./sources/json-against-humanity";
@@ -8,7 +9,7 @@ import { JsonAgainstHumanity } from "./sources/json-against-humanity";
 /**
  * A source for a card or deck.
  */
-export type Source = External | Custom;
+export type Source = External | Custom | Generated;
 
 /**
  * An external source for a card or deck.
diff --git a/server/src/ts/games/cards/sources.ts b/server/src/ts/games/cards/sources.ts
index 85fa90cc..34d7db84 100644
--- a/server/src/ts/games/cards/sources.ts
+++ b/server/src/ts/games/cards/sources.ts
@@ -7,6 +7,7 @@ import * as BuiltIn from "./sources/builtIn";
 import { SourceNotFoundError } from "../../errors/action-execution-error";
 import * as ManyDecks from "./sources/many-decks";
 import * as JsonAgainstHumanity from "./sources/json-against-humanity";
+import * as Generated from "./sources/generated";
 
 async function loadIfEnabled<Config, MetaResolver>(
   config: Config | undefined,
@@ -122,6 +123,9 @@ export class Sources {
       case "Custom":
         return Player.details(source);
 
+      case "Generated":
+        return Generated.details(source);
+
       default:
         return await this.resolver(cache, source).details();
     }
diff --git a/server/src/ts/games/cards/sources/generated.ts b/server/src/ts/games/cards/sources/generated.ts
new file mode 100644
index 00000000..59a3c98c
--- /dev/null
+++ b/server/src/ts/games/cards/sources/generated.ts
@@ -0,0 +1,15 @@
+import * as Source from "../source";
+
+/**
+ * A source for cards generated during the game for reasons such as house rules.
+ */
+export interface Generated {
+  source: "Generated";
+}
+
+/**
+ * Get the details for a given source.
+ */
+export const details = (_: Generated): Source.Details => ({
+  name: "Generated",
+});
diff --git a/server/src/ts/games/game.ts b/server/src/ts/games/game.ts
index ca103cb7..31772c6c 100644
--- a/server/src/ts/games/game.ts
+++ b/server/src/ts/games/game.ts
@@ -19,6 +19,7 @@ import * as Round from "./game/round";
 import * as PublicRound from "./game/round/public";
 import * as Player from "./player";
 import * as Rules from "./rules";
+import { happyEndingCall } from "./rules/happyEnding";
 
 export interface Public {
   round: PublicRound.Public;
@@ -259,6 +260,14 @@ export class Game {
       (this.round as Round.Base<Round.Stage>).plays.flatMap((play) => play.play)
     );
     this.round = new Round.Playing(roundId, czar, playersInRound, call);
+    if (this.rules.houseRules.happyEnding?.inFinalRound) {
+      this.round = new Round.Playing(
+        roundId,
+        czar,
+        playersInRound,
+        happyEndingCall
+      );
+    }
     const updatedGame = this as Game & { round: Round.Playing };
     const atStart = Game.atStartOfRound(server, false, updatedGame);
     return {
diff --git a/server/src/ts/games/rules.ts b/server/src/ts/games/rules.ts
index 37e2abac..c8a99928 100644
--- a/server/src/ts/games/rules.ts
+++ b/server/src/ts/games/rules.ts
@@ -1,5 +1,6 @@
 import * as HouseRules from "./rules/houseRules";
 import * as Rando from "./rules/rando";
+import * as HappyEnding from "./rules/happyEnding";
 
 /** The rules for a standard game.
  */
diff --git a/server/src/ts/games/rules/happyEnding.ts b/server/src/ts/games/rules/happyEnding.ts
new file mode 100644
index 00000000..654a86a0
--- /dev/null
+++ b/server/src/ts/games/rules/happyEnding.ts
@@ -0,0 +1,35 @@
+import * as Card from "../cards/card";
+
+/**
+ * Configuration for the "Happy Ending" house rule.
+ * When the game ends, the final round is a 'Make a Haiku' black card.
+ */
+export interface HappyEnding {
+  inFinalRound?: boolean;
+}
+
+export const happyEndingCall: Card.Call = {
+  id: Card.id(),
+  parts: [
+    ["Make a haiku."],
+    [
+      {
+        transform: "Capitalize",
+      },
+      ",",
+    ],
+    [
+      {
+        transform: "Capitalize",
+      },
+      ",",
+    ],
+    [
+      {
+        transform: "Capitalize",
+      },
+      ".",
+    ],
+  ],
+  source: { source: "Generated" },
+};
diff --git a/server/src/ts/games/rules/houseRules.ts b/server/src/ts/games/rules/houseRules.ts
index ffc8931e..11f66f6a 100644
--- a/server/src/ts/games/rules/houseRules.ts
+++ b/server/src/ts/games/rules/houseRules.ts
@@ -1,5 +1,6 @@
 import { PackingHeat, Reboot, ComedyWriter, NeverHaveIEver } from "../rules";
 import * as Rando from "./rando";
+import * as HappyEnding from "./happyEnding";
 
 /**
  * Non-standard rules that can be applied to a game.
@@ -10,6 +11,7 @@ export interface HouseRules {
   comedyWriter?: ComedyWriter;
   rando: Rando.Rando;
   neverHaveIEver?: NeverHaveIEver;
+  happyEnding?: HappyEnding.HappyEnding;
 }
 
 /**
@@ -21,6 +23,7 @@ export interface Public {
   comedyWriter?: ComedyWriter;
   rando?: Rando.Public;
   neverHaveIEver?: NeverHaveIEver;
+  happyEnding?: HappyEnding.HappyEnding;
 }
 
 export const censor = (houseRules: HouseRules): Public => ({
diff --git a/server/src/ts/timeout/round-start.ts b/server/src/ts/timeout/round-start.ts
index a7f67278..298e8a36 100644
--- a/server/src/ts/timeout/round-start.ts
+++ b/server/src/ts/timeout/round-start.ts
@@ -39,13 +39,22 @@ export const handle: Timeout.Handler<RoundStart> = (
         }
       }
       if (winners.length > 0) {
-        lobbyGame.winner = winners;
-        events.push(Event.targetAll(GameEnded.of(...winners)));
+        if (
+          lobbyGame.rules.houseRules.happyEnding &&
+          !lobbyGame.rules.houseRules.happyEnding.inFinalRound
+        ) {
+          // If someone has won and the happy ending house rule is enabled but hasn't happened yet,
+          // set the final round boolean to true. One more round will happen now.
+          lobbyGame.rules.houseRules.happyEnding.inFinalRound = true;
+        } else {
+          lobbyGame.winner = winners;
+          events.push(Event.targetAll(GameEnded.of(...winners)));
 
-        return {
-          inLobby,
-          events,
-        };
+          return {
+            inLobby,
+            events,
+          };
+        }
       }
     }