diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 56d22a4..bd8e82d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,6 +10,19 @@ on:
   workflow_dispatch:
 
 jobs:
+  AoC-2015:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+      - name: Run AoC 2015
+        run: |
+          cd 2015
+          python -m unittest *
+
   AoC-2017:
     runs-on: ubuntu-latest
     steps:
@@ -18,7 +31,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '22.x'
-      - name: Compile and run AoC 2017
+      - name: Run AoC 2017
         run: |
           cd 2017
           npm ci
diff --git a/2015/.gitignore b/2015/.gitignore
new file mode 100644
index 0000000..645cdfe
--- /dev/null
+++ b/2015/.gitignore
@@ -0,0 +1,2 @@
+.idea/**/*
+__pycache__/**/*
\ No newline at end of file
diff --git a/2015/data/day00-input.txt b/2015/data/day00-input.txt
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/2015/data/day00-input.txt
@@ -0,0 +1 @@
+0
diff --git a/2015/data/day01-input.txt b/2015/data/day01-input.txt
new file mode 100644
index 0000000..71a7803
--- /dev/null
+++ b/2015/data/day01-input.txt
@@ -0,0 +1 @@
+()(((()))(()()()((((()(((())(()(()((((((()(()(((())))((()(((()))((())(()((()()()()(((())(((((((())))()()(()(()(())(((((()()()((())(((((()()))))()(())(((())(())((((((())())))(()())))()))))()())()())((()()((()()()()(()((((((((()()())((()()(((((()(((())((())(()))()((((()((((((((())()((()())(())((()))())((((()())(((((((((((()()(((((()(()))())(((()(()))())((()(()())())())(()(((())(())())()()(()(()((()))((()))))((((()(((()))))((((()(()(()())())()(((()((((())((((()(((()()(())()()()())((()((((((()((()()))()((()))()(()()((())))(((()(((()))((()((()(()))(((()()(()(()()()))))()()(((()(((())())))))((()(((())()(()(())((()())))((((())))(()(()(()())()((()())))(((()((()(())()()((()((())(()()((())(())()))()))((()(())()))())(((((((()(()()(()(())())))))))(()((((((())((((())((())())(()()))))()(())(()())()())((())(()))))(()))(()((()))()(()((((((()()()()((((((((()(()(())((()()(()()))(())()())()((())))()))()())(((()))(())()(())()))()((()((()(()()())(())()()()((())())))((()()(()()((()(())()()())(((()(()()))))(())))(()(()())()))()()))))))()))))((((((())))())))(()(())())(()())))))(()))()))))))()((()))))()))))(()(()((()())())(()()))))(((())()))())())())(((()(()()))(())()(())(())((((((()()))))((()(()))))))(()))())(((()()(()))()())()()()())))))))))))))(())(()))(()))((()(())(()())(())())(()())(())()()(()())))()()()))(())())()))())())(())((())))))))(())))(())))))()))))((())(()(((()))))(()))()((()(())))(()())(((((()))()())()()))))()))))()))())(()(()()()))()))))))((()))))))))))()((()))((()(())((())()()(()()))()(()))))()()(()))()))(((())))(())()((())(())(()())()())())))))))())))()((())))()))(()))()()))(((((((()))())(()()))(()()(()))()(()((()())()))))))(((()()()())))(())()))()())(()()))()()))))))))(())))()))()()))))))()))()())))()(())(())))))()(())()()(()()))))())((()))))()))))(()(((((()))))))))())))())()(())()()))))(())))())()()())()()())()(()))))()))()))))))))())))((()))()))()))())))()())()()())))())))(()((())()((()))())))))())()(())((())))))))))))())()())(())())())(()))(()))()))())(()(())())()())()()(()))))(()(())))))))(())))())(())))))))())()()(())())())))(())))))()))()(()())()(()))())())))))()()(()))()))))())))))))))()))))()))))))())()())()()))))()())))())))))))))))()()))))()()(((()))()()(())()))))((()))))(()))(())())))(())()))))))(()))()))))(())())))))()))(()())))))))))))))())))))))))()((()())(()())))))))((()))))(())(())))()(()())())))())())(()()()())))()))))))())))))())()()())))))))))))()()(()))))()())()))((()())(()))))()(()))))))))))()())())(((())(()))))())()))()))()))))))()))))))(()))))()))))()(())))(())))(()))())()()(()()))()))(()()))))))))()))(()))())(()()(()(()())()()))()))))))))(())))))((()()(()))())())))))()))())(()())()()))())))()(()()()()))((())())))())()(()()))()))))))))(()))(())))()))))(()(()())(()))))()())())()))()()))())))))))))))())()))))))()))))))))())))))()))))())(()())))(())()))())())))))()()(()()())(()())))()()))(((()))(()()()))))()))))()))))((())))()((((((()()))))))())))))))))))(((()))))))))))))(())())))))())(()))))))(()))((()))())))()(()((()))()))()))))))))))())()))()(()()))))())))())(())()(()))()))())(()))()))))(()()))()()(())))))()))(())(()(()()))(()()())))))(((()))))))()))))))))))))(())(()))))()())())()()((()()))())))))(()))))())))))))()()()))))))))())))()(((()()))(())))))(((())())))))((()))()(()))(()))))(()())))(()))())))))()))))(())(())))()((()))(())())))()()))()))))))))()))(()()()(()()()(()))())(())()())(((()))(())))))))))(((()())))()()))))))))()(())(()))()((((())(())(()())))()))(((())()()()))((()))(()))())())))())))(()))())()())())(()(())())()()()(())))())(())))(())))(())()))()))(()((()))))))))())(()))))))())(()()))()()))()(()(()())))()()(()((()((((((()))(())))()()()))())()))((()()(()))())((()(()(()))(()()))))()())))()))()())))))))()()((()())(())))()))(()))(())(()))())(()(())))()()))))))(((()(((()()))()(()(())())((()()))()))()))()))()(()()()(()))((()())()(())))()()))(((())()()())(())()((()()()()(()(())(()()))()(((((()())))((())))))(()()()))))(((()(())))()))((()((()(())()(()((())))((()())()(()))(((()())()()(()))(())(((()((()())()((())()())(((()()))((()((())(()))(()())(()()()))((()))(())(()((()()())((()))(())))(())(())(())))(()())))(((((()(()(((((()())((((()(()())(())(()()(((())((()(((()()(((()()((((((())))())(()((((((()(()))()))()()((()((()))))()(()()(()((()()))))))(((((()(((((())()()()(())())))))))()))((()()(())))(())(()()()())))))(()((((())))))))()()(((()(()(()(()(()())()()()(((((((((()()())()(()))((()()()()()(((((((()())()((())()))((((((()(()(()(()())(((()(((((((()(((())(((((((((())(())())()))((()(()))(((()()())(())(()(()()(((()(())()))())))(())((((((())(()()())()()(((()(((())(()(((())(((((((()(((((((((()))(())(()(()(()))))((()))()(())())())((()(()((()()))((()()((()(())(())(()((())(((())(((()()()((((((()()(())((((())()))))(())((()(()((())))(((((()(()()())())((())())))((())((()((()()((((((())(((()()(()())())(()(()))(()(()))())())()(((((((()(((()(())()()((())((()(()()((()(()()(((((((((((())((())((((((())((()((((()(()((((()(((((((())()((()))))())()((()((((()(()(((()((()())))(())())(((()(((())((((((()(((((((((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\ No newline at end of file
diff --git a/2015/day00.py b/2015/day00.py
new file mode 100644
index 0000000..e23c0fd
--- /dev/null
+++ b/2015/day00.py
@@ -0,0 +1,14 @@
+import unittest
+
+from util import read_input
+
+
+class Day01(unittest.TestCase):
+
+    def test_part01(self):
+        input_data = read_input("day00-input.txt")
+
+        self.assertEqual(input_data, '0')
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/2015/day01.py b/2015/day01.py
new file mode 100644
index 0000000..aee0e33
--- /dev/null
+++ b/2015/day01.py
@@ -0,0 +1,18 @@
+import unittest
+
+from util import read_input
+
+
+class Day00(unittest.TestCase):
+
+    def test_part01(self):
+        input_data = read_input("day01-input.txt")
+
+        up = input_data.count(')')
+        down = input_data.count('(')
+        floor = abs(up - down)
+
+        self.assertEqual(floor, 138)
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/2015/util.py b/2015/util.py
new file mode 100644
index 0000000..c379c5b
--- /dev/null
+++ b/2015/util.py
@@ -0,0 +1,5 @@
+def read_input(name):
+    input_data = open("./data/" + name, "r")
+    data = input_data.read().strip()
+    input_data.close()
+    return data