Choose Project Mercury
Choose Project Mercury if it's currently about 92% cheaper on the Steam Store. Project Mercury launched in 2017.
Project Mercury vs ZeroRanger
Project Mercury and ZeroRanger 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. Project Mercury (2017) is 1 year older than ZeroRanger (2018). Project Mercury is currently ~92% cheaper on Steam than ZeroRanger (0.99 USD vs. 11.99 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 ZeroRanger
Choose ZeroRanger if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 1,580 Steam reviews back the pick.
Both Project Mercury and ZeroRanger 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
 Project Mercury |  ZeroRanger | |
|---|---|---|
| Released | 2017 | 2018 |
| Genres | Action, Indie | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 0.99 USD | 11.99 USD |
| Steam reviews | 4 reviews | 95.9% positive (1,580 reviews) |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Raxasoft Games | System Erasure |
Side by side
- Both share Action, Indie on Steam.
- Project Mercury (2017) is 1 year older than ZeroRanger (2018).
- Project Mercury is currently ~92% cheaper on Steam than ZeroRanger (0.99 USD vs. 11.99 USD).
- ZeroRanger has co-op; Project Mercury does not.
- ZeroRanger is Deck Playable on Steam Deck; Project Mercury has no Deck rating yet.
Project Mercury vs ZeroRanger — FAQ
- Should I play Project Mercury or ZeroRanger first?
- If you want chronology, Project Mercury (2017) came out before ZeroRanger (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 Project Mercury and ZeroRanger 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.
- Does Project Mercury have multiplayer like ZeroRanger?
- No. ZeroRanger supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Project Mercury is listed as single-player only.