If the game fails to open, use the Steam Support guide to verify the integrity of the game files.
The official and safest way to download this mod is through the Thinking with Time Machine Steam page . Thinking with Time Machine Download PC Game
The game uses the Portal 2 engine branch and has relatively low requirements. Minimum Requirement Windows 7 / Vista / XP (Steam now recommends Windows 10+) Processor 3.0 GHz P4, Dual Core 2.0 or higher Memory Graphics 128 MB VRAM, DirectX 9-compatible (NVIDIA GeForce 7600+) Storage 4.5 GB available space Troubleshooting Common Issues If the game fails to open, use the