Choose Putrefaction
Choose Putrefaction if it's currently about 40% cheaper on the Steam Store. Putrefaction launched in 2015.
Putrefaction vs MUTATION PHASE
Putrefaction and MUTATION PHASE both land in Action, Indie 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 share Action, Indie on Steam. Putrefaction (2015) is 3 years older than MUTATION PHASE (2018). Putrefaction is currently ~40% cheaper on Steam than MUTATION PHASE (2.99 USD vs. 4.99 USD). 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 MUTATION PHASE
Choose MUTATION PHASE if it's the newer release (2018) and ships with the modern feature baseline. MUTATION PHASE launched in 2018.
Both Putrefaction and MUTATION PHASE sit in Action and Indie 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
 Putrefaction |  MUTATION PHASE | |
|---|---|---|
| Released | 2015 | 2018 |
| Genres | Action, Indie | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 2.99 USD | 4.99 USD |
| Steam reviews | 66.3% positive (169 reviews) | 8 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Kazakov Oleg | IGRODELSKY |
Side by side
- Both share Action, Indie on Steam.
- Putrefaction (2015) is 3 years older than MUTATION PHASE (2018).
- Putrefaction is currently ~40% cheaper on Steam than MUTATION PHASE (2.99 USD vs. 4.99 USD).
Putrefaction vs MUTATION PHASE — FAQ
- Should I play Putrefaction or MUTATION PHASE first?
- If you want chronology, Putrefaction (2015) came out before MUTATION PHASE (2018). 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 Putrefaction and MUTATION PHASE similar?
- They overlap on Action, Indie 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.