diff --git a/src/state/game_state.rs b/src/state/game_state.rs
new file mode 100644
index 0000000..6b63efd
--- /dev/null
+++ b/src/state/game_state.rs
@@ -0,0 +1,5 @@
+trait GameState {
+    fn render(&self) -> String;
+    fn init(&self) -> u32;
+    fn simulate(&self) -> u32;
+}