diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30e20cc..6743ede 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,13 +49,22 @@ add_subdirectory(third-party/libxm SYSTEM)
 
 
 if(LINUX)
-        set(SYSTEM_SOURCE_FILES
-                src/system/linux/twn_elf.c
+        set(SYSTEM_SOURCE_FILES src/system/linux/twn_elf.c)
+else()
+        set(SYSTEM_SOURCE_FILES)
+endif()
+
+if(EMSCRIPTEN)
+        set(TWN_RENDERING_API WEBGL1)
+else()
+        set(TWN_RENDERING_API OPENGL_15)
+endif()
+
+if(TWN_RENDERING_API MATCHES OPENGL_15)
+        set(SYSTEM_SOURCE_FILES ${SYSTEM_SOURCE_FILES}
                 src/rendering/twn_gl_any_rendering.c
                 src/rendering/twn_gl_15_rendering.c
                 src/rendering/twn_gl_15_gpu_texture.c)
-else()
-        set(SYSTEM_SOURCE_FILES)
 endif()
 
 set(TWN_THIRD_PARTY_SOURCE_FILES
diff --git a/src/game_object/twn_static_game_object_c.h b/src/game_object/twn_static_game_object_c.h
index adeb7f4..9b7935e 100644
--- a/src/game_object/twn_static_game_object_c.h
+++ b/src/game_object/twn_static_game_object_c.h
@@ -1,5 +1,5 @@
-#include "townengine/twn_game_object.h"
-#include "townengine/game_api.h"
+#include "twn_game_object_c.h"
+#include "twn_game_api.h"
 
 
 void game_object_load(void) {
diff --git a/src/game_object/twn_win32_game_object_c.h b/src/game_object/twn_win32_game_object_c.h
index 7814f24..32f1f8f 100644
--- a/src/game_object/twn_win32_game_object_c.h
+++ b/src/game_object/twn_win32_game_object_c.h
@@ -1,5 +1,5 @@
-#include "townengine/twn_game_object.h"
-#include "townengine/context.h"
+#include "twn_game_object_c.h"
+#include "twn_engine_context_c.h"
 
 #include <errhandlingapi.h>
 #include <libloaderapi.h>
@@ -48,7 +48,7 @@ static void load_game_object(void) {
 
     handle = new_handle;
 
-    if (ctx.tick_count != 0)
+    if (ctx.game.tick_count != 0)
         log_info("Game object was reloaded\n");
 
     return;
diff --git a/src/rendering/twn_circles.c b/src/rendering/twn_circles.c
index 9d76720..4408ecf 100644
--- a/src/rendering/twn_circles.c
+++ b/src/rendering/twn_circles.c
@@ -1,6 +1,7 @@
 #include "twn_util.h"
 #include "twn_engine_context_c.h"
 #include "twn_rendering_c.h"
+#include "twn_rendering.h"
 
 #include <SDL2/SDL.h>
 #include <stb_ds.h>
diff --git a/src/rendering/twn_triangles.c b/src/rendering/twn_triangles.c
index 4be105a..f47d59c 100644
--- a/src/rendering/twn_triangles.c
+++ b/src/rendering/twn_triangles.c
@@ -1,3 +1,4 @@
+#include "twn_rendering.h"
 #include "twn_rendering_c.h"
 #include "twn_engine_context_c.h"
 #include "twn_textures_c.h"
diff --git a/src/twn_engine_context_c.h b/src/twn_engine_context_c.h
index 8854cc9..60c9bb2 100644
--- a/src/twn_engine_context_c.h
+++ b/src/twn_engine_context_c.h
@@ -3,6 +3,7 @@
 
 #include "twn_context.h"
 #include "twn_textures_c.h"
+#include "twn_engine_api.h"
 #include "twn_input.h"
 #include "rendering/twn_rendering_c.h"
 
@@ -47,6 +48,6 @@ typedef struct engine_context {
     bool was_successful;
 } t_engine_ctx;
 
-extern t_engine_ctx ctx;
+TWN_API extern t_engine_ctx ctx;
 
 #endif