diff --git a/App.c b/app.c
similarity index 94%
rename from App.c
rename to app.c
index dd1c549..8dc39ff 100644
--- a/App.c
+++ b/app.c
@@ -1,10 +1,10 @@
 
-#include "App.h"
-#include "Entity.h"
-#include "Input.h"
-#include "Physics_Component.h"
-#include "Player_Component.h"
-#include "Types.h"
+#include "app.h"
+#include "entity.h"
+#include "input.h"
+#include "physics.h"
+#include "player.h"
+#include "types.h"
 #include <stdlib.h>
 #include <stdio.h>
 
diff --git a/App.h b/app.h
similarity index 75%
rename from App.h
rename to app.h
index fd62536..f79a841 100644
--- a/App.h
+++ b/app.h
@@ -1,10 +1,10 @@
 #pragma once
 
-#include "Entity.h"
-#include "Physics_Component.h"
-#include "Player_Component.h"
-#include "Input.h"
-#include "Types.h"
+#include "entity.h"
+#include "physics.h"
+#include "player.h"
+#include "input.h"
+#include "types.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/App_Render.cpp b/app_render.cpp
similarity index 92%
rename from App_Render.cpp
rename to app_render.cpp
index 123a004..d7f8fc2 100644
--- a/App_Render.cpp
+++ b/app_render.cpp
@@ -1,6 +1,6 @@
 
-#include "App.h"
-#include "Physics_Component.h"
+#include "app.h"
+#include "physics.h"
 #include "easyx.h"
 #include "util/tree.h"
 #include <math.h>
diff --git a/Entity.c b/entity.c
similarity index 97%
rename from Entity.c
rename to entity.c
index 054aa19..69e5708 100644
--- a/Entity.c
+++ b/entity.c
@@ -1,7 +1,7 @@
 
-#include "Entity.h"
-#include "App.h"
-#include "Physics_Component.h"
+#include "entity.h"
+#include "app.h"
+#include "physics.h"
 #include "util/assert.h"
 #include "util/tree.h"
 #include "util/vector.h"
diff --git a/Entity.h b/entity.h
similarity index 95%
rename from Entity.h
rename to entity.h
index 56a4d83..3c5f0fa 100644
--- a/Entity.h
+++ b/entity.h
@@ -1,11 +1,11 @@
 #pragma once
 
 #include <stdint.h>
-#include "Types.h"
+#include "types.h"
 #include "util/vector.h"
 #include "util/tree.h"
-#include "Physics_Component.h"
-#include "Player_Component.h"
+#include "physics.h"
+#include "player.h"
 
 
 #ifdef __cplusplus
diff --git a/Input.c b/input.c
similarity index 97%
rename from Input.c
rename to input.c
index 835684c..a17753a 100644
--- a/Input.c
+++ b/input.c
@@ -1,6 +1,6 @@
 
-#include "Input.h"
-#include "App.h"
+#include "input.h"
+#include "app.h"
 
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/Input.h b/input.h
similarity index 100%
rename from Input.h
rename to input.h
diff --git a/Main.cpp b/main.cpp
similarity index 96%
rename from Main.cpp
rename to main.cpp
index efa666d..911d574 100644
--- a/Main.cpp
+++ b/main.cpp
@@ -2,8 +2,8 @@
 #include <graphics.h>
 #include <stdio.h>
 
-#include "App.h"
-#include "Types.h"
+#include "app.h"
+#include "types.h"
 
 
 int main() {
diff --git a/Physics_Component.c b/physics.c
similarity index 97%
rename from Physics_Component.c
rename to physics.c
index 920c8f0..af2bac8 100644
--- a/Physics_Component.c
+++ b/physics.c
@@ -1,7 +1,7 @@
 
-#include "Physics_Component.h"
-#include "Entity.h"
-#include "Types.h"
+#include "physics.h"
+#include "entity.h"
+#include "types.h"
 #include "util/tree.h"
 #include "util/vector.h"
 #include "util/assert.h"
diff --git a/Physics_Component.h b/physics.h
similarity index 98%
rename from Physics_Component.h
rename to physics.h
index 82591a2..f37a41b 100644
--- a/Physics_Component.h
+++ b/physics.h
@@ -2,7 +2,7 @@
 
 #include "util/tree.h"
 #include "util/vector.h"
-#include "Types.h"
+#include "types.h"
 #include <stdint.h>
 #include <stdbool.h>
 
diff --git a/Physics_Move.c b/physics_move.c
similarity index 97%
rename from Physics_Move.c
rename to physics_move.c
index 335dfa9..3e53b5b 100644
--- a/Physics_Move.c
+++ b/physics_move.c
@@ -1,7 +1,7 @@
 
-#include "Physics_Component.h"
-#include "Entity.h"
-#include "Types.h"
+#include "physics.h"
+#include "entity.h"
+#include "types.h"
 #include "util/tree.h"
 
 #include <stdlib.h>
diff --git a/Player_Component.c b/player.c
similarity index 96%
rename from Player_Component.c
rename to player.c
index 8460423..5a9325e 100644
--- a/Player_Component.c
+++ b/player.c
@@ -1,8 +1,8 @@
 
-#include "Player_Component.h"
-#include "Entity.h"
-#include "App.h"
-#include "Input.h"
+#include "player.h"
+#include "entity.h"
+#include "app.h"
+#include "input.h"
 
 #include "util/assert.h"
 #include <stdlib.h>
diff --git a/Player_Component.h b/player.h
similarity index 98%
rename from Player_Component.h
rename to player.h
index 6e0f872..3650c7b 100644
--- a/Player_Component.h
+++ b/player.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "Types.h"
+#include "types.h"
 #include <stdint.h>
 #include <stdbool.h>
 
diff --git a/Types.c b/types.c
similarity index 99%
rename from Types.c
rename to types.c
index fe55248..906c9d0 100644
--- a/Types.c
+++ b/types.c
@@ -1,5 +1,5 @@
 
-#include "Types.h"
+#include "types.h"
 #include <math.h>
 #include <windows.h>
 #include <timeapi.h>
diff --git a/Types.h b/types.h
similarity index 100%
rename from Types.h
rename to types.h