Choose Outlast
Choose Outlast if it matches what drew you to this matchup. 28,158 Steam reviews back the pick.
Outlast vs Mortal Decay
Outlast and Mortal Decay both land in Action, Indie, Adventure 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, Adventure on Steam. Outlast (2013) is 7 years older than Mortal Decay (2020). Outlast scores higher on Steam reviews (96.1% positive) than Mortal Decay (94.4% 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 Mortal Decay
Choose Mortal Decay if it's currently about 80% cheaper on the Steam Store. Mortal Decay launched in 2020.
Both Outlast and Mortal Decay sit in Action, Indie, and Adventure on Steam, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (96.1% vs 94.4% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 Outlast |  Mortal Decay | |
|---|---|---|
| Released | 2013 | 2020 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 14.99 USD | 2.99 USD |
| Steam reviews | 96.1% positive (28,158 reviews) | 94.4% positive (36 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Red Barrels | Roger Kaffer |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Outlast (2013) is 7 years older than Mortal Decay (2020).
- Outlast scores higher on Steam reviews (96.1% positive) than Mortal Decay (94.4% positive).
- Mortal Decay is currently ~80% cheaper on Steam than Outlast (2.99 USD vs. 14.99 USD).
- Outlast is Deck Playable on Steam Deck; Mortal Decay has no Deck rating yet.
Outlast vs Mortal Decay — FAQ
- Should I play Outlast or Mortal Decay first?
- If you want chronology, Outlast (2013) came out before Mortal Decay (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 Outlast and Mortal Decay similar?
- They overlap on Action, Indie, Adventure 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 Outlast run on Steam Deck?
- Yes — Outlast is rated Deck Playable by Valve. Mortal Decay doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.