Choose Killing Floor
Choose Killing Floor if you want the Multi-player, Valve Anti-Cheat enabled, and Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 21,597 Steam reviews back the pick.
Killing Floor vs Waves of Rotting Flesh
Killing Floor and Waves of Rotting Flesh 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. Killing Floor (2009) is 11 years older than Waves of Rotting Flesh (2020). Killing Floor scores higher on Steam reviews (96.1% positive) than Waves of Rotting Flesh (75.9% 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 Waves of Rotting Flesh
Choose Waves of Rotting Flesh if it's the newer release (2020) and ships with the modern feature baseline. Waves of Rotting Flesh launched in 2020.
Both Killing Floor and Waves of Rotting Flesh sit in Action on Steam, 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
 Killing Floor |  Waves of Rotting Flesh | |
|---|---|---|
| Released | 2009 | 2020 |
| Genres | Action | Action |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 1.99 USD | 1.99 USD |
| Steam reviews | 96.1% positive (21,597 reviews) | 75.9% positive (54 reviews) |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Co-op | Single-player only |
| Developers | Tripwire Interactive | Chim Ruoi Games |
Side by side
- Both are Action games on Steam.
- Killing Floor (2009) is 11 years older than Waves of Rotting Flesh (2020).
- Killing Floor scores higher on Steam reviews (96.1% positive) than Waves of Rotting Flesh (75.9% positive).
- Waves of Rotting Flesh is currently ~0% cheaper on Steam than Killing Floor (1.99 USD vs. 1.99 USD).
- Killing Floor has co-op; Waves of Rotting Flesh does not.
- Killing Floor is Deck Playable on Steam Deck; Waves of Rotting Flesh has no Deck rating yet.
Killing Floor vs Waves of Rotting Flesh — FAQ
- Should I play Killing Floor or Waves of Rotting Flesh first?
- If you want chronology, Killing Floor (2009) came out before Waves of Rotting Flesh (2020). 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 Killing Floor and Waves of Rotting Flesh 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.
- Does Waves of Rotting Flesh have multiplayer like Killing Floor?
- No. Killing Floor supports multiplayer on Steam (Multi-player, Cross-Platform Multiplayer, Co-op), while Waves of Rotting Flesh is listed as single-player only.
- Does Killing Floor run on Steam Deck?
- Yes — Killing Floor is rated Deck Playable by Valve. Waves of Rotting Flesh doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.