Omri mentioned a mod called gmDoom last month, which allows you to bring the Doom experience, including weapons, enemies, HUD, and entities, into Garry's Mod. After watching a few weeks pass as ...

It’s a simple enough idea. gmDoom is Half-Life 2 as is, right up until it isn’t. About a foot in front of the screen hovers a familiar, matt-black, double-barrelled shotgun. When it’s fired ...