Choose Killing Floor
Choose Killing Floor if you want the Valve Anti-Cheat enabled side of the pairing. On Steam, it carries the stronger Steam consensus at 96.1% positive across 21,597 reviews.
Killing Floor vs Lifeless
Killing Floor and Lifeless 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 7 years older than Lifeless (2016). Killing Floor scores higher on Steam reviews (96.1% positive) than Lifeless (38.7% 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 Lifeless
Choose Lifeless if you want an Indie, Free To Play, and Early Access game with Online Co-op. On Steam, it's free to play, so the barrier to trying it is zero. Lifeless launched in 2016.
Both Killing Floor and Lifeless sit in Action on Steam and both list Multi-player 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
 Killing Floor |  Lifeless | |
|---|---|---|
| Released | 2009 | 2016 |
| Genres | Action | Action, Indie, Free To Play, Early Access |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | Free to play |
| Steam reviews | 96.1% positive (21,597 reviews) | 38.7% positive (323 reviews) |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | Tripwire Interactive | Desync Donkeys |
Side by side
- Both are Action games on Steam.
- Killing Floor (2009) is 7 years older than Lifeless (2016).
- Killing Floor scores higher on Steam reviews (96.1% positive) than Lifeless (38.7% positive).
- Lifeless is free; Killing Floor is paid (19.99 USD).
- Both support cooperative play.
- Killing Floor is Deck Playable on Steam Deck; Lifeless has no Deck rating yet.
Killing Floor vs Lifeless — FAQ
- Which is better, Killing Floor or Lifeless?
- On Steam reviews Killing Floor scores higher (96.1% positive) than Lifeless (38.7% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Killing Floor is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play Killing Floor or Lifeless first?
- If you want chronology, Killing Floor (2009) came out before Lifeless (2016). 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 Lifeless 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 Killing Floor and Lifeless have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Killing Floor ships Co-op; Lifeless ships Online Co-op, Co-op.
- Is Lifeless free?
- Yes — Lifeless is a free-to-play Steam title. Killing Floor is paid (19.99 USD).
- Does Killing Floor run on Steam Deck?
- Yes — Killing Floor is rated Deck Playable by Valve. Lifeless doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.