Single player and co-op shooters

Sunless Skies
431,762
Grand Theft Auto V
221,383
The Witcher 3
379,548
God of War
359,374
Doom
237,721
Warhammer: Vermintide 2
491,260
Dusk
425,206
Warhammer 40k: Space Marine
238,838
Hitman 3
496,401
Psychonauts 2
426,539