Portal: Revolution
Here are the Portal: Revolution System Requirements (Minimum) CPU: Intel i3-8300 or similar AMD CPU RAM: 8 GB VIDEO CARD: NVIDIA GeForce GTX 750 or similar AMD GPU DEDICATED VIDEO RAM: 1024 MB PIXEL SHADER: 5.0 VERTEX SHADER: 5.0 OS: Windows 10/11 FREE DISK SPACE: 12 GB