Unzip the archive. Inside you will see:
If the game crashes on launch, return to dgVoodooCpl.exe and change to "DirectX 12" or "Vulkan" (if your GPU supports it). Some users report better results with "Vulkan" on AMD cards. dgvoodoo 2 download for i.g.i 1
| System | Native (no wrapper) | DGVoodoo2 DX11 | |--------|---------------------|----------------| | Windows 11, i5-12400, RTX 3060 | 10–15 FPS, glitches | Solid 60 FPS at 1080p | | Windows 10, Ryzen 5, Vega 8 iGPU | Crashes after 5 mins | 50–60 FPS, stable | Unzip the archive
Click and close.
Here are some tips and tricks for playing I.G.I. 1 with DGVOODOO 2: RTX 3060 | 10–15 FPS