Choose Contagion
Choose Contagion if you want an Adventure game with Steam Leaderboards, Online PvP, and PvP. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 5,535 Steam reviews back the pick.
Contagion vs Whisper Mountain Outbreak
Contagion and Whisper Mountain Outbreak 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. Contagion (2013) is 12 years older than Whisper Mountain Outbreak (2025). Whisper Mountain Outbreak scores higher on Steam reviews (89% positive) than Contagion (73.2% 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 Whisper Mountain Outbreak
Choose Whisper Mountain Outbreak if you want an Early Access experience. On Steam, it carries the stronger Steam consensus at 89% positive across 1,061 reviews.
Both Contagion and Whisper Mountain Outbreak sit in Action and Indie 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
 Contagion |  Whisper Mountain Outbreak | |
|---|---|---|
| Released | 2013 | 2025 |
| Genres | Action, Indie, Adventure | Action, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Deck Playable |
| Price | 9.99 USD | 7.99 USD |
| Steam reviews | 73.2% positive (5,535 reviews) | 89% positive (1,061 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Monochrome, Inc | Toge Productions |
Side by side
- Both share Action, Indie on Steam.
- Contagion (2013) is 12 years older than Whisper Mountain Outbreak (2025).
- Whisper Mountain Outbreak scores higher on Steam reviews (89% positive) than Contagion (73.2% positive).
- Whisper Mountain Outbreak is currently ~20% cheaper on Steam than Contagion (7.99 USD vs. 9.99 USD).
- Both support cooperative play.
- Steam Deck: Contagion is Deck Verified, Whisper Mountain Outbreak is Deck Playable.
Contagion vs Whisper Mountain Outbreak — FAQ
- Which is better, Contagion or Whisper Mountain Outbreak?
- On Steam reviews Whisper Mountain Outbreak scores higher (89% positive) than Contagion (73.2% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Whisper Mountain Outbreak is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play Contagion or Whisper Mountain Outbreak first?
- If you want chronology, Contagion (2013) came out before Whisper Mountain Outbreak (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 Contagion and Whisper Mountain Outbreak 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.
- Do both Contagion and Whisper Mountain Outbreak have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Contagion ships Online Co-op, Co-op; Whisper Mountain Outbreak ships Online Co-op, Co-op.