the OG image: https://knowyourmeme.com/photos/1900904-crossover

Welcome to the Brutal 80's - 10's gang.

In here you can meet:

•Doomguy (DOOM)
•Quake Ranger (Quake)
•Gordon Freeman (Half Life)
•Sam Stone (Serious Sam)
•Duke Nukem (Duke Nukem)
•Master Chief (Halo)
•Isaac Clarke (Dead Space)
•Daniel Garner (Painkiller)
•William Sherman (Painkiller: Ressurection)
•The Mutant (Mutant from Napoleon Games studio from 2007)
•Turok (Turok)
•BJ Blaszkowicz (Wolfenstein)
•Caleb (Blood series)
•Postal Dude (Postal)

Yeah, decided to add some characters.