D3D11 Overlay ImGui use D3D11 to create a DirectX window with ImGui, and this allow you to draw on top of games / application. You can easily use it as a DLL for internal cheat and EXE for external.
Plus, the overlay palette I used brings those GBC tones closer to the classic DMG feel. If you're aiming for a more old-school vibe, try combining the DMG Grid & DMG Background overlay, GBC ...
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