Maybe Diffusion, a free standalone conversion of Half Life https://www.moddb.com/mods/diffusion
There is also a nice First Person Stealth game, OpenSource (my favorite) https://www.thedarkmod.com/main/
Maybe Diffusion, a free standalone conversion of Half Life https://www.moddb.com/mods/diffusion
There is also a nice First Person Stealth game, OpenSource (my favorite) https://www.thedarkmod.com/main/