✓ Fits the looter shooters cluster, with deep RPG systems, shooter and first-person shooting
≠ Where it differs: brings action RPG combat, dark, oppressive atmosphere and setting scifi, while skipping survival mechanics
The original loot shooter: four classes, a procedural gun system, and enemies that soak damage until the numbers line up. Co-op is where it makes sense. It shows its age in structure — quests are almost entirely fetch-and-kill, the story is thin, and the last stretch leans hard on repeated arena fights before an underwhelming finish.
Where it drifts furthest from Zero Sievert: tone and visuals.
It predates Zero Sievert by 15 years, with what that implies technically.