Choose 30XX
Choose 30XX if you want the Multi-player, Shared/Split Screen, and Online Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 1,750 Steam reviews back the pick.
30XX vs Mask Up
30XX and Mask Up 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. Mask Up (2021) is 2 years older than 30XX (2023). Mask Up is currently ~75% cheaper on Steam than 30XX (4.99 USD vs. 19.99 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 Mask Up
Choose Mask Up if it's currently about 75% cheaper on the Steam Store. Mask Up launched in 2021.
Both 30XX and Mask Up sit in Action and Indie on Steam and both list Steam Leaderboards, 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
 30XX |  Mask Up | |
|---|---|---|
| Released | 2023 | 2021 |
| Genres | Action, Indie | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 4.99 USD |
| Steam reviews | 91.5% positive (1,750 reviews) | 4 reviews |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Single-player only |
| Developers | Batterystaple Games | Rouli |
Side by side
- Both share Action, Indie on Steam.
- Mask Up (2021) is 2 years older than 30XX (2023).
- Mask Up is currently ~75% cheaper on Steam than 30XX (4.99 USD vs. 19.99 USD).
- 30XX has co-op; Mask Up does not.
- 30XX is Deck Playable on Steam Deck; Mask Up has no Deck rating yet.
30XX vs Mask Up — FAQ
- Should I play 30XX or Mask Up first?
- If you want chronology, Mask Up (2021) came out before 30XX (2023). 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 30XX and Mask Up 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 Mask Up have multiplayer like 30XX?
- No. 30XX supports multiplayer on Steam (Multi-player, Online Co-op, Shared/Split Screen Co-op), while Mask Up is listed as single-player only.
- Does 30XX run on Steam Deck?
- Yes — 30XX is rated Deck Playable by Valve. Mask Up doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.