Download for free and play full version of Half-Life, a(n) action game, Diffusion v.1.1 (Freeware FPS Game) , for PCs and laptops with Windows systems. Free and legal download. Enjoy!
File Type: Full Game
File Size: 2787.4 MB
Last Update: February 1, 2026
Downloads: 509
Last 7 days: 73
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Diffusion is a freeware standalone game build on foundations of Half-Life. It was created by Aynekko.
Description:
Diffusion is a total-conversion mod in its own universe, based on Half-Life SDK and running on Xash3D FWGS engine. The last part means it’s fully standalone. It’s essentially a free game and doesn’t require you to own Half-Life.
STORY
You, James Smith (served in SWAT for a decade with no failed ops), on vacation and driving your car to some nice place, to take a break from your usual work routines. Driving on a deserted road somewhere in Utah, the car breaks down. With miles of nothing behind, J. decides to go forward and stumbles upon an abandoned rock/sand processing factory with just one yawning guard sitting there. Pointed by the guard, J. walks behind the factory to find the phone. When he comes back, he only sees two army trucks and the dead guard… J.'s curiosity leads him inside the factory only to find that this place is absolutely not what it seems to be…
Full Game Size: 215.9 MB DL: 16.9K Upd.: October 5, 2025
Full Game Size: 541.9 MB DL: 7.2K Upd.: December 16, 2020
Full Game Size: 6407.1 MB DL: 84K Upd.: November 30, 2022
Full Game Size: 80.7 MB DL: 196.1K Upd.: June 21, 2023
Full Game Size: 2.1 MB DL: 71.1K Upd.: August 7, 2024
Full Game Size: 10764.7 MB DL: 1.78M Upd.: January 3, 2022
Full Game Size: 277.8 MB DL: 54.1K Upd.: October 19, 2021
Full Game Size: 344.9 MB DL: 664.8K Upd.: February 13, 2014
Full Game Size: 463.2 MB DL: 29.3K Upd.: August 21, 2022
Full Game Size: 170 MB DL: 58.9K Upd.: May 6, 2004
Full Game Size: 431.5 MB DL: 741 Upd.: December 2, 2025
