diff --git a/app/src/main/java/com/juandiana/reflexgame/app/RandomProvider.kt b/app/src/main/kotlin/com/juandiana/reflexgame/app/RandomProvider.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/app/RandomProvider.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/app/RandomProvider.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/app/RandomProviderImpl.kt b/app/src/main/kotlin/com/juandiana/reflexgame/app/RandomProviderImpl.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/app/RandomProviderImpl.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/app/RandomProviderImpl.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/app/ReflexGameApp.kt b/app/src/main/kotlin/com/juandiana/reflexgame/app/ReflexGameApp.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/app/ReflexGameApp.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/app/ReflexGameApp.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/app/ResourcesProvider.kt b/app/src/main/kotlin/com/juandiana/reflexgame/app/ResourcesProvider.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/app/ResourcesProvider.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/app/ResourcesProvider.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/app/TimerProvider.kt b/app/src/main/kotlin/com/juandiana/reflexgame/app/TimerProvider.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/app/TimerProvider.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/app/TimerProvider.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/app/TimerProviderImpl.kt b/app/src/main/kotlin/com/juandiana/reflexgame/app/TimerProviderImpl.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/app/TimerProviderImpl.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/app/TimerProviderImpl.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/domain/GameEngine.kt b/app/src/main/kotlin/com/juandiana/reflexgame/domain/GameEngine.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/domain/GameEngine.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/domain/GameEngine.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/domain/GameEngineImpl.kt b/app/src/main/kotlin/com/juandiana/reflexgame/domain/GameEngineImpl.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/domain/GameEngineImpl.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/domain/GameEngineImpl.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/domain/model/GameState.kt b/app/src/main/kotlin/com/juandiana/reflexgame/domain/model/GameState.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/domain/model/GameState.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/domain/model/GameState.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/MainActivity.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/MainActivity.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/MainActivity.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/MainActivity.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/MainViewModel.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/MainViewModel.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/MainViewModel.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/MainViewModel.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/MainViewModelFactory.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/MainViewModelFactory.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/MainViewModelFactory.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/MainViewModelFactory.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/SquaresAdapter.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/SquaresAdapter.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/SquaresAdapter.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/SquaresAdapter.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/livedata/Event.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/livedata/Event.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/livedata/Event.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/livedata/Event.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/livedata/EventObserver.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/livedata/EventObserver.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/livedata/EventObserver.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/livedata/EventObserver.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/model/MainUiState.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/model/MainUiState.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/model/MainUiState.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/model/MainUiState.kt
diff --git a/app/src/main/java/com/juandiana/reflexgame/ui/model/SquareState.kt b/app/src/main/kotlin/com/juandiana/reflexgame/ui/model/SquareState.kt
similarity index 100%
rename from app/src/main/java/com/juandiana/reflexgame/ui/model/SquareState.kt
rename to app/src/main/kotlin/com/juandiana/reflexgame/ui/model/SquareState.kt