Choose SpaceChem
Choose SpaceChem if it matches what drew you to this matchup. 1,904 Steam reviews back the pick.
SpaceChem vs Save the Reactor
SpaceChem and Save the Reactor both land in Indie, Simulation 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 Indie, Simulation on Steam. SpaceChem (2011) is 11 years older than Save the Reactor (2022). SpaceChem scores higher on Steam reviews (95.6% positive) than Save the Reactor (93% 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 Save the Reactor
Choose Save the Reactor if it's currently about 50% cheaper on the Steam Store. Save the Reactor launched in 2022.
Both SpaceChem and Save the Reactor sit in Indie and Simulation 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
 SpaceChem |  Save the Reactor | |
|---|---|---|
| Released | 2011 | 2022 |
| Genres | Indie, Simulation | Indie, Simulation |
| Platforms | Windows, macOS, Linux | Windows, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 9.99 USD | 4.99 USD |
| Steam reviews | 95.6% positive (1,904 reviews) | 93% positive (71 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Zachtronics | Hypnohead |
Side by side
- Both share Indie, Simulation on Steam.
- SpaceChem (2011) is 11 years older than Save the Reactor (2022).
- SpaceChem scores higher on Steam reviews (95.6% positive) than Save the Reactor (93% positive).
- Save the Reactor is currently ~50% cheaper on Steam than SpaceChem (4.99 USD vs. 9.99 USD).
- SpaceChem is Deck Playable on Steam Deck; Save the Reactor has no Deck rating yet.
SpaceChem vs Save the Reactor — FAQ
- Should I play SpaceChem or Save the Reactor first?
- If you want chronology, SpaceChem (2011) came out before Save the Reactor (2022). 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 SpaceChem and Save the Reactor similar?
- They overlap on Indie, Simulation 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 SpaceChem run on Steam Deck?
- Yes — SpaceChem is rated Deck Playable by Valve. Save the Reactor doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.