Choose A Mass of Dead
Choose A Mass of Dead if it matches what drew you to this matchup. A Mass of Dead launched in 2015.
A Mass of Dead vs Hazard Protocol
A Mass of Dead and Hazard Protocol 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. A Mass of Dead (2015) is 12 years older than Hazard Protocol (2027). Both support cooperative play. 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 Hazard Protocol
Choose Hazard Protocol if you want the Online Co-op, DualShock Controller Support, and DualSense Controller Support side of the pairing. On Steam, it's the newer release (2027) and ships with the modern feature baseline. Hazard Protocol launched in 2027.
Both A Mass of Dead and Hazard Protocol sit in Action and Indie 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
 A Mass of Dead |  Hazard Protocol | |
|---|---|---|
| Released | 2015 | 2027 |
| Genres | Action, Indie | Action, Indie |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | Price unknown |
| Steam reviews | 46.7% positive (15 reviews) | — |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | Dev Arc | Andrii Torbenko |
Side by side
- Both share Action, Indie on Steam.
- A Mass of Dead (2015) is 12 years older than Hazard Protocol (2027).
- Both support cooperative play.
A Mass of Dead vs Hazard Protocol — FAQ
- Should I play A Mass of Dead or Hazard Protocol first?
- If you want chronology, A Mass of Dead (2015) came out before Hazard Protocol (2027). 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 A Mass of Dead and Hazard Protocol 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 A Mass of Dead and Hazard Protocol have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: A Mass of Dead ships Co-op; Hazard Protocol ships Online Co-op, Co-op.