Choose Contagion
Choose Contagion if you want an Indie and Adventure game with Steam Leaderboards, Online Co-op, and Subtitle Options. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 5,535 Steam reviews back the pick.
Contagion vs Dead Alliance™
Contagion and Dead Alliance™ 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. Contagion (2013) is 4 years older than Dead Alliance™ (2017). Contagion scores higher on Steam reviews (73.2% positive) than Dead Alliance™ (37% 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 Dead Alliance™
Choose Dead Alliance™ if you want a Violent and Gore experience. On Steam, it's the newer release (2017) and ships with the modern feature baseline. Dead Alliance™ launched in 2017.
Both Contagion and Dead Alliance™ sit in Action on Steam and both list Multi-player, Online PvP, and PvP, 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 |  Dead Alliance™ | |
|---|---|---|
| Released | 2013 | 2017 |
| Genres | Action, Indie, Adventure | Action, Violent, Gore |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 3.99 USD | Price unknown |
| Steam reviews | 73.2% positive (5,535 reviews) | 37% positive (46 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player |
| Developers | Monochrome, Inc | IllFonic, Psyop Games |
Side by side
- Both are Action games on Steam.
- Contagion (2013) is 4 years older than Dead Alliance™ (2017).
- Contagion scores higher on Steam reviews (73.2% positive) than Dead Alliance™ (37% positive).
- Contagion has co-op; Dead Alliance™ does not.
- Contagion is Deck Verified on Steam Deck; Dead Alliance™ has no Deck rating yet.
Contagion vs Dead Alliance™ — FAQ
- Should I play Contagion or Dead Alliance™ first?
- If you want chronology, Contagion (2013) came out before Dead Alliance™ (2017). 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 Dead Alliance™ 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 Contagion run on Steam Deck?
- Yes — Contagion is rated Deck Verified by Valve. Dead Alliance™ doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.