diff --git a/generated,README.md/create_cluster.js b/generated,README.md/create_cluster.js
new file mode 100644
index 0000000000..57f19fc1ff
--- /dev/null
+++ b/generated,README.md/create_cluster.js
@@ -0,0 +1,79 @@
+// Copyright 2020, Google LLC.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+/**
+ * Create a Game Servers cluster.
+ * @param {string} projectId string project identifier
+ * @param {string} location Compute Engine region
+ * @param {string} realmId the realm to use
+ * @param {string} gameClusterId unique identifier for the new Game Cluster
+ * @param {string} gkeClusterId the GKE cluster to connect to
+ * @param {string} gkeLocation the location of the GKE cluster
+ */
+function main(
+  projectId = 'YOUR_PROJECT_ID',
+  location = 'LOCATION_ID',
+  realmId = 'REALM_ID',
+  gameClusterId = 'GAME_CLUSTER_ID',
+  gkeClusterName = 'GKE_CLUSTER_NAME'
+) {
+  // [START cloud_game_servers_create_cluster]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  // const projectId = 'Your Google Cloud Project ID';
+  // const location = 'A Compute Engine region, e.g. "us-central1"';
+  // const realmId = 'The ID of the realm to locate this cluster in';
+  // const gameClusterId = 'A unique ID for this Game Server Cluster';
+  // const gkeClusterName= 'The full resource name of the GKE cluster to use';
+  const {
+    GameServerClustersServiceClient,
+  } = require('@google-cloud/game-servers');
+
+  const client = new GameServerClustersServiceClient();
+
+  async function createGameServerCluster() {
+    const request = {
+      // Provide full resource name of a Game Server Realm
+      parent: `projects/${projectId}/locations/${location}/realms/${realmId}`,
+      gameServerClusterId: gameClusterId,
+      gameServerCluster: {
+        description: 'My Game Server Cluster',
+        connectionInfo: {
+          gkeClusterReference: {
+            // Provide full resource name of a Kubernetes Engine cluster
+            cluster: gkeClusterName,
+          },
+          namespace: 'default',
+        },
+      },
+    };
+
+    const [operation] = await client.createGameServerCluster(request);
+    const [result] = await operation.promise();
+
+    console.log('Game Server Cluster created:');
+    console.log(`\tCluster name: ${result.name}`);
+    console.log(`\tCluster description: ${result.description}`);
+    console.log(
+      `\tGKE cluster: ${result.connectionInfo.gkeClusterReference.cluster}`
+    );
+    // [END cloud_game_servers_create_cluster]
+  }
+
+  createGameServerCluster();
+}
+
+main(...process.argv.slice(2));
diff --git a/generated,README.md/delete_cluster.js b/generated,README.md/delete_cluster.js
new file mode 100644
index 0000000000..8ef0e09fea
--- /dev/null
+++ b/generated,README.md/delete_cluster.js
@@ -0,0 +1,58 @@
+// Copyright 2020, Google LLC.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+/**
+ * Delete a Game Server cluster
+ * @param {string} projectId string project identifier
+ * @param {string} location Compute Engine region
+ * @param {string} realmId the realm to use
+ * @param {string} gameClusterId the game cluster to delete
+ */
+function main(
+  projectId = 'YOUR_PROJECT_ID',
+  location = 'LOCATION_ID',
+  realmId = 'REALM_ID',
+  gameClusterId = 'GAME_CLUSTER_ID'
+) {
+  // [START cloud_game_servers_delete_cluster]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  // const projectId = 'Your Google Cloud Project ID';
+  // const location = 'A Compute Engine region, e.g. "us-central1"';
+  // const realmId = 'The ID of the realm to locate this cluster in';
+  // const gameClusterId = 'The unique ID for this Game Server Cluster';
+  const {
+    GameServerClustersServiceClient,
+  } = require('@google-cloud/game-servers');
+
+  const client = new GameServerClustersServiceClient();
+
+  async function deleteGameServerCluster() {
+    const request = {
+      // Provide full resource name of a Game Server Realm
+      name: `projects/${projectId}/locations/${location}/realms/${realmId}/gameServerClusters/${gameClusterId}`,
+    };
+
+    await client.deleteGameServerCluster(request);
+
+    console.log('Game Server cluster deleted');
+    // [END cloud_game_servers_delete_cluster]
+  }
+
+  deleteGameServerCluster();
+}
+
+main(...process.argv.slice(2));
diff --git a/generated,README.md/get_cluster.js b/generated,README.md/get_cluster.js
new file mode 100644
index 0000000000..8cebc8ff75
--- /dev/null
+++ b/generated,README.md/get_cluster.js
@@ -0,0 +1,63 @@
+// Copyright 2020, Google LLC.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+/**
+ * Get a Game Server cluster
+ * @param {string} projectId string project identifier
+ * @param {string} location Compute Engine region
+ * @param {string} realmId the realm to use
+ * @param {string} gameClusterId the game cluster to get
+ */
+function main(
+  projectId = 'YOUR_PROJECT_ID',
+  location = 'LOCATION_ID',
+  realmId = 'REALM_ID',
+  gameClusterId = 'GAME_CLUSTER_ID'
+) {
+  // [START cloud_game_servers_get_cluster]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  // const projectId = 'Your Google Cloud Project ID';
+  // const location = 'A Compute Engine region, e.g. "us-central1"';
+  // const realmId = 'The ID of the realm to locate this cluster in';
+  // const gameClusterId = 'The unique ID for this Game Server Cluster';
+  const {
+    GameServerClustersServiceClient,
+  } = require('@google-cloud/game-servers');
+
+  const client = new GameServerClustersServiceClient();
+
+  async function getGameServerCluster() {
+    const request = {
+      // Provide full resource name of a Game Server Realm
+      name: `projects/${projectId}/locations/${location}/realms/${realmId}/gameServerClusters/${gameClusterId}`,
+    };
+
+    const [cluster] = await client.getGameServerCluster(request);
+
+    console.log('Game Server Cluster:');
+    console.log(`\tCluster name: ${cluster.name}`);
+    console.log(`\tCluster description: ${cluster.description}`);
+    console.log(
+      `\tGKE cluster: ${cluster.connectionInfo.gkeClusterReference.cluster}`
+    );
+    // [END cloud_game_servers_get_cluster]
+  }
+
+  getGameServerCluster();
+}
+
+main(...process.argv.slice(2));
diff --git a/generated,README.md/list_clusters.js b/generated,README.md/list_clusters.js
new file mode 100644
index 0000000000..d2faa73f53
--- /dev/null
+++ b/generated,README.md/list_clusters.js
@@ -0,0 +1,63 @@
+// Copyright 2020, Google LLC.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+/**
+ * List Game Server clusters
+ * @param {string} projectId string project identifier
+ * @param {string} location Compute Engine region
+ * @param {string} realmId the realm to use
+ */
+function main(
+  projectId = 'YOUR_PROJECT_ID',
+  location = 'LOCATION_ID',
+  realmId = 'REALM_ID'
+) {
+  // [START cloud_game_servers_list_clusters]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  // const projectId = 'Your Google Cloud Project ID';
+  // const location = 'A Compute Engine region, e.g. "us-central1"';
+  // const realmId = 'The ID of the realm to locate this cluster in';
+  const {
+    GameServerClustersServiceClient,
+  } = require('@google-cloud/game-servers');
+
+  const client = new GameServerClustersServiceClient();
+
+  async function listGameServerClusters() {
+    const request = {
+      // Provide full resource name of a Game Server Realm
+      parent: `projects/${projectId}/locations/${location}/realms/${realmId}`,
+    };
+
+    const results = await client.listGameServerClusters(request);
+    const [clusters] = results;
+
+    for (const cluster of clusters) {
+      console.log('Game Server Cluster:');
+      console.log(`\tCluster name: ${cluster.name}`);
+      console.log(`\tCluster description: ${cluster.description}`);
+      console.log(
+        `\tGKE cluster: ${cluster.connectionInfo.gkeClusterReference.cluster}`
+      );
+    }
+    // [END cloud_game_servers_list_clusters]
+  }
+
+  listGameServerClusters();
+}
+
+main(...process.argv.slice(2));
diff --git a/generated,README.md/test/clean.js b/generated,README.md/test/clean.js
index 7436f1870a..cf62661619 100644
--- a/generated,README.md/test/clean.js
+++ b/generated,README.md/test/clean.js
@@ -46,7 +46,7 @@ module.exports = async () => {
         clustersRequest
       );
       const [clusters] = clustersResult;
-      for (const cluster of clusters.gameServerClusters) {
+      for (const cluster of clusters) {
         const deleteClusterRequest = {
           name: cluster.name,
         };
diff --git a/generated,README.md/test/create_cluster.test.js b/generated,README.md/test/create_cluster.test.js
new file mode 100644
index 0000000000..dc0bb66235
--- /dev/null
+++ b/generated,README.md/test/create_cluster.test.js
@@ -0,0 +1,91 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+const {assert} = require('chai');
+const cleanup = require('./clean.js');
+const {describe, it, before, after} = require('mocha');
+const {
+  RealmsServiceClient,
+  GameServerClustersServiceClient,
+} = require('@google-cloud/game-servers');
+
+const cp = require('child_process');
+const uuid = require('uuid');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const LOCATION = 'us-central1';
+const GKE_CLUSTER_NAME =
+  process.env.SAMPLE_CLUSTER_NAME ||
+  'projects/1046198160504/locations/us-west1-a/clusters/grpc-bug-cluster';
+
+describe('Game Servers Create Cluster Test', () => {
+  const realmsClient = new RealmsServiceClient();
+  const gameClustersClient = new GameServerClustersServiceClient();
+  let realmId, gameClusterId;
+
+  before(async () => {
+    await cleanup();
+
+    // Create a realm
+    const projectId = await realmsClient.getProjectId();
+    realmId = `create-realm-${uuid.v4()}`;
+    gameClusterId = `test-${uuid.v4()}`;
+
+    const request = {
+      parent: `projects/${projectId}/locations/${LOCATION}`,
+      realmId: realmId,
+      realm: {
+        timeZone: 'US/Pacific',
+        description: 'Test Game Server realm',
+      },
+    };
+
+    const [operation] = await realmsClient.createRealm(request);
+    await operation.promise();
+  });
+
+  it('should create a Game Server cluster', async () => {
+    const projectId = await realmsClient.getProjectId();
+    gameClusterId = `test-${uuid.v4()}`;
+
+    const create_output = execSync(
+      `node create_cluster.js ${projectId} ${LOCATION} ${realmId} ${gameClusterId} ${GKE_CLUSTER_NAME}`
+    );
+    assert.match(create_output, /Cluster name:/);
+  });
+
+  after(async () => {
+    const projectId = await realmsClient.getProjectId();
+
+    // Delete the Game Server cluster
+    const deleteClusterRequest = {
+      // Provide full resource name of a Game Server Realm
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}/gameServerClusters/${gameClusterId}`,
+    };
+    const [operation1] = await gameClustersClient.deleteGameServerCluster(
+      deleteClusterRequest
+    );
+    await operation1.promise();
+
+    // Delete the realm
+    const deleteRealmRequest = {
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}`,
+    };
+    const [operation2] = await realmsClient.deleteRealm(deleteRealmRequest);
+    await operation2.promise();
+  });
+});
diff --git a/generated,README.md/test/delete_cluster.test.js b/generated,README.md/test/delete_cluster.test.js
new file mode 100644
index 0000000000..c09a1b528a
--- /dev/null
+++ b/generated,README.md/test/delete_cluster.test.js
@@ -0,0 +1,112 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+const {assert} = require('chai');
+const cleanup = require('./clean.js');
+const {describe, it, before, after} = require('mocha');
+const {
+  RealmsServiceClient,
+  GameServerClustersServiceClient,
+} = require('@google-cloud/game-servers');
+
+const cp = require('child_process');
+const uuid = require('uuid');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const LOCATION = 'us-central1';
+const GKE_CLUSTER_NAME =
+  process.env.SAMPLE_CLUSTER_NAME ||
+  'projects/1046198160504/locations/us-west1-a/clusters/grpc-bug-cluster';
+
+describe('Game Servers Delete Cluster Test', () => {
+  const realmsClient = new RealmsServiceClient();
+  const gameClustersClient = new GameServerClustersServiceClient();
+  let projectId, realmId, gameClusterId;
+
+  before(async () => {
+    await cleanup();
+
+    // Create a realm
+    projectId = await realmsClient.getProjectId();
+    realmId = `delete-realm-${uuid.v4()}`;
+    gameClusterId = `test-${uuid.v4()}`;
+
+    const createRealmRequest = {
+      parent: `projects/${projectId}/locations/${LOCATION}`,
+      realmId: realmId,
+      realm: {
+        timeZone: 'US/Pacific',
+        description: 'Test Game Server realm',
+      },
+    };
+
+    const [operation1] = await realmsClient.createRealm(createRealmRequest);
+    await operation1.promise();
+
+    // Create a cluster
+    const createClusterRequest = {
+      parent: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}`,
+      gameServerClusterId: gameClusterId,
+      gameServerCluster: {
+        description: 'My Game Server Cluster',
+        connectionInfo: {
+          gkeClusterReference: {
+            // Provide full resource name of a Kubernetes Engine cluster
+            cluster: GKE_CLUSTER_NAME,
+          },
+          namespace: 'default',
+        },
+      },
+    };
+
+    const [operation2] = await gameClustersClient.createGameServerCluster(
+      createClusterRequest
+    );
+    await operation2.promise();
+  });
+
+  it('should delete a Game Server cluster in a realm', async () => {
+    const create_output = execSync(
+      `node delete_cluster.js ${projectId} ${LOCATION} ${realmId} ${gameClusterId}`
+    );
+    assert.match(create_output, /Game Server cluster deleted/);
+  });
+
+  after(async () => {
+    // Delete the Game Server cluster
+    const deleteClusterRequest = {
+      // Provide full resource name of a Game Server Realm
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}/gameServerClusters/${gameClusterId}`,
+    };
+    try {
+      const [operation1] = await gameClustersClient.deleteGameServerCluster(
+        deleteClusterRequest
+      );
+      await operation1.promise();
+    } catch (ex) {
+      console.log(ex);
+      console.log(`Realm ID: ${realmId}`);
+      console.log(`Cluster ID: ${gameClusterId}`);
+    }
+    // Delete the realm
+    const deleteRealmRequest = {
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}`,
+    };
+    const [operation2] = await realmsClient.deleteRealm(deleteRealmRequest);
+    await operation2.promise();
+  });
+});
diff --git a/generated,README.md/test/get_cluster.test.js b/generated,README.md/test/get_cluster.test.js
new file mode 100644
index 0000000000..fc0a761ae2
--- /dev/null
+++ b/generated,README.md/test/get_cluster.test.js
@@ -0,0 +1,111 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+const {assert} = require('chai');
+const cleanup = require('./clean.js');
+const {describe, it, before, after} = require('mocha');
+const {
+  RealmsServiceClient,
+  GameServerClustersServiceClient,
+} = require('@google-cloud/game-servers');
+
+const cp = require('child_process');
+const uuid = require('uuid');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const LOCATION = 'us-central1';
+const GKE_CLUSTER_NAME =
+  process.env.SAMPLE_CLUSTER_NAME ||
+  'projects/1046198160504/locations/us-west1-a/clusters/grpc-bug-cluster';
+
+describe('Game Servers Get Cluster Test', () => {
+  const realmsClient = new RealmsServiceClient();
+  const gameClustersClient = new GameServerClustersServiceClient();
+  let realmId, gameClusterId;
+
+  before(async () => {
+    await cleanup();
+
+    // Create a realm
+    const projectId = await realmsClient.getProjectId();
+    realmId = `get-realm-${uuid.v4()}`;
+    gameClusterId = `test-${uuid.v4()}`;
+
+    const createRealmRequest = {
+      parent: `projects/${projectId}/locations/${LOCATION}`,
+      realmId: realmId,
+      realm: {
+        timeZone: 'US/Pacific',
+        description: 'Test Game Server realm',
+      },
+    };
+
+    const [operation1] = await realmsClient.createRealm(createRealmRequest);
+    await operation1.promise();
+
+    // Create a cluster
+    const createClusterRequest = {
+      parent: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}`,
+      gameServerClusterId: gameClusterId,
+      gameServerCluster: {
+        description: 'My Game Server Cluster',
+        connectionInfo: {
+          gkeClusterReference: {
+            // Provide full resource name of a Kubernetes Engine cluster
+            cluster: GKE_CLUSTER_NAME,
+          },
+          namespace: 'default',
+        },
+      },
+    };
+
+    const [operation2] = await gameClustersClient.createGameServerCluster(
+      createClusterRequest
+    );
+    await operation2.promise();
+  });
+
+  it('should get a Game Server cluster in a realm', async () => {
+    const projectId = await realmsClient.getProjectId();
+
+    const create_output = execSync(
+      `node get_cluster.js ${projectId} ${LOCATION} ${realmId} ${gameClusterId}`
+    );
+    assert.match(create_output, /Cluster name:/);
+  });
+
+  after(async () => {
+    const projectId = await realmsClient.getProjectId();
+
+    // Delete the Game Server cluster
+    const deleteClusterRequest = {
+      // Provide full resource name of a Game Server Realm
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}/gameServerClusters/${gameClusterId}`,
+    };
+    const [operation1] = await gameClustersClient.deleteGameServerCluster(
+      deleteClusterRequest
+    );
+    await operation1.promise();
+
+    // Delete the realm
+    const deleteRealmRequest = {
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}`,
+    };
+    const [operation2] = await realmsClient.deleteRealm(deleteRealmRequest);
+    await operation2.promise();
+  });
+});
diff --git a/generated,README.md/test/list_clusters.test.js b/generated,README.md/test/list_clusters.test.js
new file mode 100644
index 0000000000..51d5478742
--- /dev/null
+++ b/generated,README.md/test/list_clusters.test.js
@@ -0,0 +1,111 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+const {assert} = require('chai');
+const cleanup = require('./clean.js');
+const {describe, it, before, after} = require('mocha');
+const {
+  RealmsServiceClient,
+  GameServerClustersServiceClient,
+} = require('@google-cloud/game-servers');
+
+const cp = require('child_process');
+const uuid = require('uuid');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const LOCATION = 'us-central1';
+const GKE_CLUSTER_NAME =
+  process.env.SAMPLE_CLUSTER_NAME ||
+  'projects/1046198160504/locations/us-west1-a/clusters/grpc-bug-cluster';
+
+describe('Game Servers List Clusters Test', () => {
+  const realmsClient = new RealmsServiceClient();
+  const gameClustersClient = new GameServerClustersServiceClient();
+  let realmId, gameClusterId;
+
+  before(async () => {
+    await cleanup();
+
+    // Create a realm
+    const projectId = await realmsClient.getProjectId();
+    realmId = `list-realm-${uuid.v4()}`;
+    gameClusterId = `test-${uuid.v4()}`;
+
+    const createRealmRequest = {
+      parent: `projects/${projectId}/locations/${LOCATION}`,
+      realmId: realmId,
+      realm: {
+        timeZone: 'US/Pacific',
+        description: 'Test Game Server realm',
+      },
+    };
+
+    const [operation1] = await realmsClient.createRealm(createRealmRequest);
+    await operation1.promise();
+
+    // Create a cluster
+    const createClusterRequest = {
+      parent: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}`,
+      gameServerClusterId: gameClusterId,
+      gameServerCluster: {
+        description: 'My Game Server Cluster',
+        connectionInfo: {
+          gkeClusterReference: {
+            // Provide full resource name of a Kubernetes Engine cluster
+            cluster: GKE_CLUSTER_NAME,
+          },
+          namespace: 'default',
+        },
+      },
+    };
+
+    const [operation2] = await gameClustersClient.createGameServerCluster(
+      createClusterRequest
+    );
+    await operation2.promise();
+  });
+
+  it('should list Game Server clusters in a realm', async () => {
+    const projectId = await realmsClient.getProjectId();
+
+    const create_output = execSync(
+      `node list_clusters.js ${projectId} ${LOCATION} ${realmId}`
+    );
+    assert.match(create_output, /Cluster name:/);
+  });
+
+  after(async () => {
+    const projectId = await realmsClient.getProjectId();
+
+    // Delete the Game Server cluster
+    const deleteClusterRequest = {
+      // Provide full resource name of a Game Server Realm
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}/gameServerClusters/${gameClusterId}`,
+    };
+    const [operation1] = await gameClustersClient.deleteGameServerCluster(
+      deleteClusterRequest
+    );
+    await operation1.promise();
+
+    // Delete the realm
+    const deleteRealmRequest = {
+      name: `projects/${projectId}/locations/${LOCATION}/realms/${realmId}`,
+    };
+    const [operation2] = await realmsClient.deleteRealm(deleteRealmRequest);
+    await operation2.promise();
+  });
+});