Set
Free FPS on Half Life engine gets big update
We lived to see a new version of Diffusion, the free single-player FPS that turned out to be one of the best fan projects of last year.
Files and Mods
February 1, 2026
We lived to see a new version of Diffusion, the free single-player FPS that turned out to be one of the best fan projects of last year.
Files and Mods
February 1, 2026