diff --git a/examples/PoolBox/application/Overlays.json b/examples/PoolBox/application/Overlays.json
index 61ab6a89..00a14b6c 100644
--- a/examples/PoolBox/application/Overlays.json
+++ b/examples/PoolBox/application/Overlays.json
@@ -4,7 +4,7 @@
             "pattern": "bin/*/src/Overlay/TimerTests/*.o"
         },
         "gpu_tests": {
-            "pattern": "bin/*/src/Overlay/GPUTests/*.o"
+            "pattern": "bin/*/src/Overlay/GPUTest/*.o"
         }
     }
 }
\ No newline at end of file
diff --git a/examples/PoolBox/application/include/asset_mgr.hpp b/examples/PoolBox/application/include/asset_mgr.hpp
index ee771562..fab276b2 100644
--- a/examples/PoolBox/application/include/asset_mgr.hpp
+++ b/examples/PoolBox/application/include/asset_mgr.hpp
@@ -9,4 +9,8 @@ namespace Assets {
         
         void load();
     }
+
+    namespace Overlay {
+        void load_gpu_test();
+    }
 }
\ No newline at end of file
diff --git a/examples/PoolBox/application/src/Overlay/GPUTest/gpu_test.cpp b/examples/PoolBox/application/src/Overlay/GPUTest/gpu_test.cpp
new file mode 100644
index 00000000..15f64116
--- /dev/null
+++ b/examples/PoolBox/application/src/Overlay/GPUTest/gpu_test.cpp
@@ -0,0 +1,17 @@
+#include <PSX/AutoLBA/auto_lba.hpp>
+#include <PSX/AutoLBA/auto_lba_declaration.hpp>
+#include <stdio.h>
+
+enum LBA {
+    __jabyengine_start_lba_request
+    __jabyengine_request_lba_for(PACO, "ASSETS/MAIN/PACO.BIN"),
+    __jabyengine_end_lba_request
+};
+__declare_lba_header(LBA);
+
+namespace GPUTest {
+    void main() {
+        printf("BlubbBlubbBlubb!!\n");
+        while(true);
+    }
+}
\ No newline at end of file
diff --git a/examples/PoolBox/application/src/Overlay/Overlays.hpp b/examples/PoolBox/application/src/Overlay/Overlays.hpp
new file mode 100644
index 00000000..e61b02db
--- /dev/null
+++ b/examples/PoolBox/application/src/Overlay/Overlays.hpp
@@ -0,0 +1,4 @@
+#pragma once
+namespace GPUTest {
+    void main();
+}
\ No newline at end of file
diff --git a/examples/PoolBox/application/src/application.cpp b/examples/PoolBox/application/src/application.cpp
index 8b2a3177..cbedb764 100644
--- a/examples/PoolBox/application/src/application.cpp
+++ b/examples/PoolBox/application/src/application.cpp
@@ -2,6 +2,7 @@
 #include "include/font_writer.hpp"
 #include "include/menu.hpp"
 #include "include/paco.hpp"
+#include "Overlay/Overlays.hpp"
 #include <FontWriter/fonts.hpp>
 #include <FontWriter/font_writer.hpp>
 #include <PSX/Periphery/periphery.hpp>
@@ -9,6 +10,24 @@
 
 using namespace JabyEngine;
 
+struct StateChange {
+    void (*asset_load)();
+    void (*main)();
+
+    static constexpr StateChange empty() {
+        return StateChange{.asset_load = nullptr, .main = nullptr};
+    }
+
+    void clear() {
+        this->asset_load = nullptr;
+        this->main       = nullptr;
+    }
+
+    bool contains_state() const {
+        return this->main;
+    }
+};
+
 static const Menu::SimpleMenu::Entry MenuEntries[] = {
     {"Menu 1"},
     {"Menu 2"},
@@ -21,14 +40,15 @@ static const Menu::SimpleMenu::Entry MenuEntries[] = {
 // Do we want Paco to be HERE?!
 static object::Paco     paco;
 static Menu::SimpleMenu menu;
-static bool             enter_loading = false;
+static StateChange      state_changer;
 
 static void setup() {
     Assets::Main::load();
     FontWriter::setup();
     paco.setup();
     menu.setup([](uint32_t selection) {
-        enter_loading = true;
+        state_changer.asset_load = Assets::Overlay::load_gpu_test;
+        state_changer.main       = GPUTest::main;
     },MenuEntries);
 }
 
@@ -72,14 +92,19 @@ namespace LoadingScene {
     }
 
     static void run() {
-        enter_loading = false;
         update();
         GPU::swap_buffers_vsync(1);
         render();
         GPU::swap_buffers_vsync(1);
 
         printf("End of execution!\n");
-        while(true); 
+        state_changer.asset_load();
+        state_changer.main();
+        printf("Done in state!\n");
+
+        while(true);
+
+        state_changer.clear();
     }
 }
 
@@ -87,7 +112,7 @@ void main() {
     setup();
 
     while(true) {
-        if(enter_loading) {
+        if(state_changer.contains_state()) {
             LoadingScene::run();
         }
         
diff --git a/examples/PoolBox/application/src/asset_mgr.cpp b/examples/PoolBox/application/src/asset_mgr.cpp
index aeec8c67..ce78bc3f 100644
--- a/examples/PoolBox/application/src/asset_mgr.cpp
+++ b/examples/PoolBox/application/src/asset_mgr.cpp
@@ -4,10 +4,13 @@
 #include <PSX/AutoLBA/auto_lba_declaration.hpp>
 #include <stdio.h>
 
+extern "C" uint32_t __gpu_tests_start;
+
 namespace Assets {
     enum LBA {
         __jabyengine_start_lba_request
-        __jabyengine_request_lba_for(PACO, "ASSETS/MAIN/PACO.BIN"),
+        __jabyengine_request_lba_for(PACO,         "ASSETS/MAIN/PACO.BIN"),
+        __jabyengine_request_lba_for(GPU_TEST_OVL, "GTO.BIN"),
         __jabyengine_end_lba_request
     };
     __declare_lba_header(LBA);
@@ -35,13 +38,29 @@ namespace Assets {
         }
     }
 
+    template<size_t N>
+    static void load(const CDFile (&files)[N]) {
+        return load(files, N);
+    }
+
     namespace Main {
         static const CDFile Files[] = {
             CDFileBuilder::simple_tim(LBA::PACO, PacoTIM)
         };
 
         void load() {
-            ::Assets::load(Files, sizeof(Files)/sizeof(Files[0]));
+            ::Assets::load(Files);
+        }
+    }
+
+    namespace Overlay {
+        static const CDFile Files[] = {
+            CDFileBuilder::overlay(LBA::GPU_TEST_OVL, &__gpu_tests_start)
+        };
+
+        void load_gpu_test() {
+            ::Assets::load(Files);
+            // Load Overlay assets?!
         }
     }
 }
\ No newline at end of file
diff --git a/examples/PoolBox/iso/Config.xml b/examples/PoolBox/iso/Config.xml
index 282edeed..d46642c5 100644
--- a/examples/PoolBox/iso/Config.xml
+++ b/examples/PoolBox/iso/Config.xml
@@ -4,8 +4,10 @@
         <License>%PSX_LICENSE_PATH%/LICENSEE.DAT</License>
     </Description>
     <Track>
-        <File name = "SYSTEM.CNF">System.cnf</File>
-        <Main name = "XXXX_AAA.AA" lba_source = "../application/src/asset_mgr.cpp">../application/bin/PSX-release/PoolBox.psexe</Main>
+        <File    name = "SYSTEM.CNF">System.cnf</File>
+        <Main    name = "XXXX_AAA.AA" lba_source = "../application/src/asset_mgr.cpp">../application/bin/PSX-release/PoolBox.psexe</Main>
+        <Overlay name = "GTO.BIN"     lba_source = "../application/src/Overlay/GPUTest/gpu_test.cpp">../application/bin/PSX-release/Overlay.gpu_tests</Overlay>
+        
         <Directory name="ASSETS" hidden = "true">
             <Directory name = "MAIN">
                 <File name = "PACO.BIN" lz4 = "already">../assets/bin/Paco.bin</File>
@@ -13,5 +15,6 @@
             <File name = "FONT.BIN" lz4 = "already">../assets/bin/TexturePage.bin</File>
             <File name = "ICON.BIN" lz4 = "already">../assets/bin/IconTexture.bin</File>
         </Directory>
+
     </Track>
 </ISO_Project>
\ No newline at end of file