Killing Floor is a Co-op Survival Horror FPS set in the devastated cities and countryside of England after a series of cloning experiments for the military goes horribly wrong. You and your friends are members of the military dropped into these locations with a simple mission: Survive long enough… Summary: IGDB
Mind Score
Fair to the playerAge · PEGI 18
plays online with strangers: use parental settings
Respect
85
Stimulation
lively
Has an endingStop anytime
Watch out for
In-game purchases
- PEGI: In-Game Purchases
Online play with strangers
- Steam tag “Online Co-Op” (968 votes)
- IGDB keyword “online”
What it exercises
Cooperation
- Steam tag “Co-op” (1574 votes)
- Wikipedia: played together
Medium confidence · 28 Sept 2026 · Rules-based estimate from the Steam store, player reviews and PEGI/ESRB descriptors. Not a substitute for the official rating or your own judgement. Tap a label to see the evidence.