IMHO.

World War Z vs Killing Floor 3

World War Z and Killing Floor 3 both land in Action on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Action games on Steam. World War Z (2021) is 4 years older than Killing Floor 3 (2025). World War Z scores higher on Steam reviews (85.1% positive) than Killing Floor 3 (49.3% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose World War Z

Choose World War Z if you want the Online PvP and PvP side of the pairing. On Steam, it carries the stronger Steam consensus at 85.1% positive across 6,916 reviews.

Choose Killing Floor 3

Choose Killing Floor 3 if you want the Camera Comfort, Custom Volume Controls, and Stereo Sound side of the pairing. On Steam, it's the newer release (2025) and ships with the modern feature baseline. 8,213 Steam reviews back the pick.

Both World War Z and Killing Floor 3 sit in Action on Steam and both list Multi-player, Online Co-op, and Co-op, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

World War Z vs Killing Floor 3 — Steam metadata comparison
World War Z — Steam game coverWorld War ZKilling Floor 3 — Steam game coverKilling Floor 3
Released20212025
GenresActionAction
PlatformsWindowsWindows
Steam DeckDeck UnsupportedUnrated
Price14.79 USD39.99 USD
Steam reviews85.1% positive (6,916 reviews)49.3% positive (8,213 reviews)
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opMulti-player, Cross-Platform Multiplayer, Online Co-op
DevelopersSaber Interactive IncTripwire Interactive

Side by side

World War Z vs Killing Floor 3 — FAQ

Which is better, World War Z or Killing Floor 3?
On Steam reviews World War Z scores higher (85.1% positive) than Killing Floor 3 (49.3% positive). Both have enough reviews to trust the signal, so for players using reviews alone, World War Z is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play World War Z or Killing Floor 3 first?
If you want chronology, World War Z (2021) came out before Killing Floor 3 (2025). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are World War Z and Killing Floor 3 similar?
They overlap on Action on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Do both World War Z and Killing Floor 3 have co-op?
Yes — both list a co-op category on Steam. Specifics differ: World War Z ships Online Co-op, Co-op; Killing Floor 3 ships Online Co-op, Co-op.