diff --git a/src/game/GameLayer.cpp b/src/game/GameLayer.cpp
index f8c04af..ba942c8 100644
--- a/src/game/GameLayer.cpp
+++ b/src/game/GameLayer.cpp
@@ -73,7 +73,6 @@ void GameLayer::onDetach()
 
 void GameLayer::onUpdate()
 {
-    PlayerID player = gameMode->getCurrentPlayer();
     mousePicker->update(*camera);
     //printf("Mouse Ray: %f, %f, %f\n", mousePicker->getCurrentRay().x, mousePicker->getCurrentRay().y, mousePicker->getCurrentRay().z);
     glm::vec3 moveDir = glm::vec3(0,0,0);
@@ -95,7 +94,7 @@ void GameLayer::onUpdate()
 
     camera->move(moveDir, 0.5f);
     tileHighlightSystem->update(*entityManager, *mousePicker, *camera);
-    buildingPlacementSystem->update(*entityManager, *gameMode, 0);
+    buildingPlacementSystem->update(*entityManager, *gameMode, 0, *turnState);
     renderSystem->render(*entityManager, *renderer);
 
     renderer->render(*light, *camera);
diff --git a/src/game/GameMode.cpp b/src/game/GameMode.cpp
index ab3e2ce..c44a3e5 100644
--- a/src/game/GameMode.cpp
+++ b/src/game/GameMode.cpp
@@ -11,6 +11,7 @@
 
 GameMode::GameMode() {
     addPlayer(0, "Player 1");
+    addPlayer(1, "Player 2");
 }
 
 bool GameMode::canBuild(PlayerID player, BuildingType buildingType) {
@@ -66,4 +67,13 @@ void GameMode::setActiveBuilding(BuildingType buildingType) {
     activeBuilding = buildingType;
 }
 
+size_t GameMode::getPlayerCount() const {
+    return players.size();
+}
+
+bool GameMode::hasTurn(PlayerID playerID, int turn) const {
+    printf("Turn: %d, PlayerCount: %lu, playerID: %u\n, Modulo Result: %lu", turn, getPlayerCount(), playerID, turn % getPlayerCount());
+    return turn % static_cast<int>(getPlayerCount()) == static_cast<int>(playerID);
+}
+
 
diff --git a/src/game/GameMode.h b/src/game/GameMode.h
index 3f84ba7..9819dea 100644
--- a/src/game/GameMode.h
+++ b/src/game/GameMode.h
@@ -29,6 +29,11 @@ public:
     std::optional<BuildingType> getActiveBuilding() const;
     void clearActiveBuilding();
     void setActiveBuilding(BuildingType buildingType);
+    size_t getPlayerCount() const;
+
+    bool hasTurn(PlayerID playerID, int turn) const;
+
+    bool getCurrentTurnPlayer(int turn) const;
 private:
     std::unordered_map<PlayerID, Player> players;
     std::optional<BuildingType> activeBuilding;
diff --git a/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.cpp b/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.cpp
index 442149a..5d4dcfa 100644
--- a/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.cpp
+++ b/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.cpp
@@ -14,11 +14,16 @@
 #include "../../building/BuildingConfig.h"
 #include "../../building/BuildingFactory.h"
 #include "../../building/BuildingRules.h"
+#include "../../gameplay/TurnState.h"
 #include "../components/BuildingComponent.h"
 #include "../components/TileGameplayComponent.h"
 #include "GLFW/glfw3.h"
 
-void BuildingPlacementSystem::update(EntityManager& entityManager, GameMode& gameMode, PlayerID player) {
+void BuildingPlacementSystem::update(EntityManager& entityManager, GameMode& gameMode, PlayerID player, const  TurnState& turnState) {
+    if (!gameMode.hasTurn(player, turnState.currentTurn)) {
+        return;
+    }
+
     if (!InputManager::isMouseButtonPressed(GLFW_MOUSE_BUTTON_LEFT)) {
         return;
     }
diff --git a/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.h b/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.h
index 88edc85..e64b845 100644
--- a/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.h
+++ b/src/game/hexWorld/ecs/systems/BuildingPlacementSystem.h
@@ -6,11 +6,12 @@
 #define BUILDINGPLACEMENTSYSTEM_H
 #include "../../../GameMode.h"
 #include "../../../../engine/core/ECS/EntityManager.h"
+#include "../../gameplay/TurnState.h"
 
 
 class BuildingPlacementSystem {
 public:
-    void update(EntityManager &entityManager, GameMode &gameMode, EntityID player);
+    void update(EntityManager &entityManager, GameMode &gameMode, EntityID player, const TurnState &turnState);
 };