diff --git a/main.py b/main.py
index 4c7173d..bfe7d39 100644
--- a/main.py
+++ b/main.py
@@ -1,7 +1,44 @@
+from threading import Thread
+from screen import Screen
+from timer import Timer
+from getkey import getkey
+
+
+class Tetris:
+    def __init__(self) -> None:
+        self.screen = Screen(10, 20, '..')
+
+        self.last_char = ''
+        self.input_thread = Thread(target=self.input, daemon=True)
+        self.input_thread.start()
+
+        self.timer = Timer()
+
+    def start(self) -> None:
+        self.running = True
+        while self.running:
+            self.timer.control_fps(30)
+            self.screen.print()
+
+    def stop(self) -> None:
+        self.running = False
+        self.timer.running = False
+        self.input_running = False
+
+    def input(self) -> None:
+        self.input_running = True
+        while self.input_running:
+            self.last_char = getkey()
+            match self.last_char:
+                case 'q':
+                    self.stop()
+                    return
+
+
 def main() -> None:
-    pass
+    game = Tetris()
+    game.start()
 
 
 if __name__ == "__main__":
     main()
-
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f6d32b4
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+getkey==0.6.5