The Quake Database for anything quake 1 related! (YES IT LIVES!)
Woodpecker From Mars 2.0, the first version ever released to the public is finally here! Huh? What do you mean am I forgetting 1.0, 1.1, and 1.2? Shut up, stupid. I don't even know what you're talking about. This zip file includes the official maps and player skin.
seems legit.