Choose Rain World
Choose Rain World if you want the Multi-player, Shared/Split Screen PvP, and PvP side of the pairing. 28,272 Steam reviews back the pick.
Rain World vs Dr. Atominus
Rain World and Dr. Atominus both land in Action, Indie, Adventure 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, Adventure on Steam. Rain World (2017) is 3 years older than Dr. Atominus (2020). Rain World scores higher on Steam reviews (95.1% positive) than Dr. Atominus (86.7% 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 Dr. Atominus
Choose Dr. Atominus if you want the Camera Comfort side of the pairing. On Steam, it's currently about 84% cheaper on the Steam Store. Dr. Atominus launched in 2020.
Both Rain World and Dr. Atominus sit in Action, Indie, and Adventure on Steam and both list Custom Volume Controls, Keyboard Only Option, and Adjustable Difficulty, 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
 Rain World |  Dr. Atominus | |
|---|---|---|
| Released | 2017 | 2020 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 24.99 USD | 3.99 USD |
| Steam reviews | 95.1% positive (28,272 reviews) | 86.7% positive (15 reviews) |
| Multiplayer | Multi-player | Single-player only |
| Developers | Videocult | Pikku-a |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Rain World (2017) is 3 years older than Dr. Atominus (2020).
- Rain World scores higher on Steam reviews (95.1% positive) than Dr. Atominus (86.7% positive).
- Dr. Atominus is currently ~84% cheaper on Steam than Rain World (3.99 USD vs. 24.99 USD).
- Rain World is Deck Playable on Steam Deck; Dr. Atominus has no Deck rating yet.
Rain World vs Dr. Atominus — FAQ
- Should I play Rain World or Dr. Atominus first?
- If you want chronology, Rain World (2017) came out before Dr. Atominus (2020). 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 Rain World and Dr. Atominus similar?
- They overlap on Action, Indie, Adventure 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 Dr. Atominus have multiplayer like Rain World?
- No. Rain World supports multiplayer on Steam (Multi-player), while Dr. Atominus is listed as single-player only.
- Does Rain World run on Steam Deck?
- Yes — Rain World is rated Deck Playable by Valve. Dr. Atominus doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.