Choose OESE
Choose OESE if it's free to play, so the barrier to trying it is zero. OESE launched in 2016.
OESE vs Astero
OESE and Astero both land in Indie, Simulation, Casual 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, Casual on Steam. OESE (2016) is 4 years older than Astero (2020). OESE is free; Astero is paid (4.99 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 Astero
Choose Astero if you want an Action and Adventure experience. On Steam, it's the newer release (2020) and ships with the modern feature baseline. Astero launched in 2020.
Both OESE and Astero sit in Indie, Simulation, and Casual 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
 OESE |  Astero | |
|---|---|---|
| Released | 2016 | 2020 |
| Genres | Indie, Simulation, Casual | Action, Indie, Adventure, Simulation, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | 4.99 USD |
| Steam reviews | 84.1% positive (63 reviews) | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Alec Smith, Dane Winn | Antonio Man |
Side by side
- Both share Indie, Simulation, Casual on Steam.
- OESE (2016) is 4 years older than Astero (2020).
- OESE is free; Astero is paid (4.99 USD).
OESE vs Astero — FAQ
- Should I play OESE or Astero first?
- If you want chronology, OESE (2016) came out before Astero (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 OESE and Astero similar?
- They overlap on Indie, Simulation, Casual 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.
- Is OESE free?
- Yes — OESE is a free-to-play Steam title. Astero is paid (4.99 USD).