Single player and co-op shooters

Sunless Skies
301,580
Grand Theft Auto V
139,391
The Witcher 3
482,830
God of War
265,924
Doom
141,338
Warhammer: Vermintide 2
402,229
Dusk
473,524
Warhammer 40k: Space Marine
101,335
Hitman 3
312,435
Psychonauts 2
121,155