Playstation MAG - Gearbox never did things conventionally with Borderlands. The Mad Max-inspired desert planet shooter featured cel-shaded visuals several years after everyone got fed up with them.
It had a modular weapon system enabling thousands of combinations. (Shotgun grenade-launcher? Don’t mind if I do.) And it was populated not by brave space marines, but by no-good ferret-faced losers who just wanted to steal stuff and get rich.