Doom 3 Lab 42 map 1.0 This custom single-player map for Doom 3 takes place after the Alpha Labs 2 but before Lab 3. In this map you are a marine sent into a lab to clean up the monster infestation.Requirements:Windows 98/Me/2000/XP, Doom 3 retail... 27 Oct 15 in Games, Shooters Windows read more