diff --git a/src/lib/controller.rs b/src/lib/controller.rs
index 5027590..f2c3698 100644
--- a/src/lib/controller.rs
+++ b/src/lib/controller.rs
@@ -52,3 +52,7 @@ pub trait Controller {
 pub mod player;
 pub mod random;
 pub mod simulated;
+
+pub use player::PlayerController;
+pub use random::RandomController;
+pub use simulated::SimulatedController;
diff --git a/src/lib/controller/simulated.rs b/src/lib/controller/simulated.rs
new file mode 100644
index 0000000..10d2f47
--- /dev/null
+++ b/src/lib/controller/simulated.rs
@@ -0,0 +1,34 @@
+use crate::lib::grid::Grid;
+
+use super::{Controller, ControllerError, Move};
+
+pub enum Objective {
+	Score,
+	TileCount,
+}
+
+pub struct SimulatedController {
+	simulations_per_move: usize,
+	length_of_simulation: usize,
+	objective: Objective,
+}
+
+impl SimulatedController {
+	pub fn new(
+		simulations_per_move: usize,
+		length_of_simulation: usize,
+		objective: Objective,
+	) -> Self {
+		Self {
+			simulations_per_move,
+			length_of_simulation,
+			objective,
+		}
+	}
+}
+
+impl Controller for SimulatedController {
+	fn next_move(&mut self, grid: &Grid) -> Result<Move, ControllerError> {
+		todo!()
+	}
+}