diff --git a/projects/core/src/instance/gryphn_instance.c b/projects/core/src/instance/gryphn_instance.c
index 6f986b5..49f124d 100644
--- a/projects/core/src/instance/gryphn_instance.c
+++ b/projects/core/src/instance/gryphn_instance.c
@@ -1,46 +1,49 @@
 #include "gryphn_instance.h"
 #include "instance/gryphn_instance.h"
 #include <loader/src/gryphn_instance_functions.h>
+#include "loader/src/gryphn_extension_loader.h"
 #include "loader/src/gryphn_loader.h"
 #include "loader/src/gryphn_loader.h"
 
-gnReturnCode gnCreateInstance(gnInstanceHandle* instance, gnInstanceInfo info) {
+// this implementation of gnCreateInstance cannot return GN_UNLOADED_LAYER
+gnReturnCode gnCreateInstance(gnInstanceHandle* instance, gnInstanceCreateInfo* info) {
     *instance = malloc(sizeof(struct gnInstance_t));
     (*instance)->hasDebugger = GN_FALSE;
-
     (*instance)->layers = loaderLayerArrayListCreate();
     loaderLayerArrayListAdd(&(*instance)->layers, loadLayer((loaderInfo){
-        .api = info.renderingAPI,
+        .api = info->coreAPI,
         .layerToLoad = api_layer
     }));
 
+    gnBool unsupportedExtension = GN_FALSE;
     for (int c = 0; c < GN_EXT_MAX; c++) (*instance)->enabledExtensions[c] = GN_FALSE;
-    for (int i = 0; i < info.extensionCount; i++) (*instance)->enabledExtensions[info.extensions[i]] = GN_TRUE;
-
-    if ((*instance)->enabledExtensions[GN_EXT_SYNCHRONIZATION]) (*instance)->layers.data[0].syncFunctions = loadAPISyncFunctions(info.renderingAPI);
-
-    gnBool loaderFunctionChecker = GN_FALSE;
-    if (info.debugger != NULL) {
-        for (int i = 0; i < info.debugger->layerCount; i++) {
-            if (info.debugger->layers[i] == GN_DEBUGGER_LAYER_FUNCTIONS) loaderFunctionChecker = GN_TRUE;
-        }
-        (*instance)->debugger = *info.debugger;
-        (*instance)->hasDebugger = GN_TRUE;
+    for (int i = 0; i < info->extensionCount; i++) {
+        (*instance)->enabledExtensions[info->extensions[i]] = GN_TRUE;
+        if (!gnIsExtensionSuppoted(info->coreAPI, info->extensions[i])) unsupportedExtension = GN_TRUE;
     }
 
-    if (loaderFunctionChecker) {
-        loaderLayerArrayListAdd(&(*instance)->layers, loadLayer((loaderInfo){
-            .api = info.renderingAPI,
-            .layerToLoad = function_checker_layer
-        }));
+    if ((*instance)->enabledExtensions[GN_EXT_SYNCHRONIZATION]) (*instance)->layers.data[0].syncFunctions = loadAPISyncFunctions(info->coreAPI);
+    if ((*instance)->enabledExtensions[GN_EXT_QUEUES]) (*instance)->layers.data[0].queueFunctions = loadAPIQueueFunctions(info->coreAPI);
+
+    if (info->debuggerInfo.layerCount > 0) {
+        for (int i = 0; i < info->debuggerInfo.layerCount; i++) {
+            if (info->debuggerInfo.layers[i] == GN_DEBUGGER_LAYER_FUNCTIONS) {
+                loaderLayerArrayListAdd(&(*instance)->layers, loadLayer((loaderInfo){
+                    .api = info->coreAPI,
+                    .layerToLoad = function_checker_layer
+                }));
+            }
+        }
+        (*instance)->debugger = info->debuggerInfo;
+        (*instance)->hasDebugger = GN_TRUE;
     }
 
     (*instance)->currentLayer = ((*instance)->layers.count - 1);
     for (int i = 0; i < (*instance)->layers.count; i++) (*instance)->layers.data[i].layerIndex = i;
-
-    // i hate this line of code but im not fixing it
     (*instance)->callingLayer = &(*instance)->layers.data[(*instance)->layers.count - 1];
-    return (*instance)->callingLayer->instanceFunctions._gnCreateInstance((*instance), info);
+    gnReturnCode core_code = (*instance)->callingLayer->instanceFunctions._gnCreateInstance((*instance), info);
+    if (unsupportedExtension) return GN_UNLOADED_EXTENSION;
+    return core_code;
 }
 
 void gnDestroyInstance(gnInstanceHandle instance) {
diff --git a/projects/core/src/instance/gryphn_instance.h b/projects/core/src/instance/gryphn_instance.h
index 8277cf0..37619f2 100644
--- a/projects/core/src/instance/gryphn_instance.h
+++ b/projects/core/src/instance/gryphn_instance.h
@@ -2,40 +2,38 @@
 #include "core/src/gryphn_rendering_api.h"
 #include "core/src/gryphn_handles.h"
 #include "utils/gryphn_version.h"
-#include "utils/gryphn_error_code.h"
+#include "core/gryphn_error_code.h"
 #include "core/src/instance/gryphn_debugger.h"
 #include <gryphn_extensions.h>
 
-typedef struct gnInstanceInfo {
+typedef struct gnApplicationInfo {
     gnString  applicationName;
     gnVersion applicationVersion;
 
     gnString  engineName;
     gnVersion engineVersion;
+} gnApplicationInfo;
 
-    gnRenderingAPI renderingAPI;
-    gnDebuggerInfo* debugger;
-
+typedef struct gnInstanceCreateInfo {
+    gnApplicationInfo applicationInfo;
+    gnDebuggerCreateInfo debuggerInfo;
     uint32_t extensionCount;
     gnExtension* extensions;
-} gnInstanceInfo;
+    gnRenderingAPI coreAPI;
+} gnInstanceCreateInfo;
 
 #ifdef GN_REVEAL_IMPL
 #include <loader/src/gryphn_loader.h>
 struct gnInstance_t {
     struct gnPlatformInstance_t* instance;
-    gnBool valid;
-
     loaderLayerArrayList layers;
     loaderLayer* callingLayer;
     uint32_t currentLayer;
-
     gnBool enabledExtensions[GN_EXT_MAX];
-
     gnBool hasDebugger;
-    gnDebuggerInfo debugger;
+    gnDebuggerCreateInfo debugger;
 };
 #endif
 
-gnReturnCode gnCreateInstance(gnInstanceHandle* instance, gnInstanceInfo info);
+gnReturnCode gnCreateInstance(gnInstanceHandle* instance, gnInstanceCreateInfo* info);
 void gnDestroyInstance(gnInstanceHandle instance);
diff --git a/projects/core/src/output_device/gryphn_output_device.h b/projects/core/src/output_device/gryphn_output_device.h
index 8b1dbad..b21d5c8 100644
--- a/projects/core/src/output_device/gryphn_output_device.h
+++ b/projects/core/src/output_device/gryphn_output_device.h
@@ -1,6 +1,6 @@
 #pragma once
 #include <output_device/gryphn_physical_output_device.h>
-#include <utils/gryphn_error_code.h>
+#include <core/gryphn_error_code.h>
 
 typedef struct gnOutputDeviceEnabledFeatures {
 
diff --git a/projects/loader/src/gryphn_loader.c b/projects/loader/src/gryphn_loader.c
index 2100067..ad06b6d 100644
--- a/projects/loader/src/gryphn_loader.c
+++ b/projects/loader/src/gryphn_loader.c
@@ -99,7 +99,6 @@ gnQueueExtFunctions loadAPIQueueFunctions(gnRenderingAPI api) {
 #ifdef GN_API_VULKAN
     case GN_RENDERINGAPI_VULKAN: return loadVulkanQueueFunctions();
 #endif
-
     case GN_RENDERINGAPI_SOFTWARE: return (gnQueueExtFunctions){ NULL };
     case GN_RENDERINGAPI_DIRECTX11: return (gnQueueExtFunctions){ NULL };
     case GN_RENDERINGAPI_DIRECTX12: return (gnQueueExtFunctions){ NULL };