Choose Californium
Choose Californium if you want an Adventure, Simulation, and Casual experience. Californium launched in 2016.
Californium vs Sayonara Golden Days
Californium and Sayonara Golden Days both land in 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 are Indie games on Steam. Californium (2016) is 5 years older than Sayonara Golden Days (2021). Sayonara Golden Days is currently ~72% cheaper on Steam than Californium (1.99 USD vs. 6.99 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 Sayonara Golden Days
Choose Sayonara Golden Days if it's currently about 72% cheaper on the Steam Store. Sayonara Golden Days launched in 2021.
Both Californium and Sayonara Golden Days sit in 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
 Californium |  Sayonara Golden Days | |
|---|---|---|
| Released | 2016 | 2021 |
| Genres | Indie, Adventure, Simulation, Casual | Indie |
| Platforms | Windows, macOS | Windows, macOS |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | 1.99 USD |
| Steam reviews | 69.1% positive (178 reviews) | 5 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Darjeeling, Nova Production, ARTE France | NotDeadLuna Studio |
Side by side
- Both are Indie games on Steam.
- Californium (2016) is 5 years older than Sayonara Golden Days (2021).
- Sayonara Golden Days is currently ~72% cheaper on Steam than Californium (1.99 USD vs. 6.99 USD).
Californium vs Sayonara Golden Days — FAQ
- Should I play Californium or Sayonara Golden Days first?
- If you want chronology, Californium (2016) came out before Sayonara Golden Days (2021). 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 Californium and Sayonara Golden Days similar?
- They overlap on 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.