Choose Really Big Sky
Choose Really Big Sky if it matches what drew you to this matchup. Really Big Sky launched in 2012.
Really Big Sky vs Devastation - Annihilate the Alien Race
Really Big Sky and Devastation - Annihilate the Alien Race 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. Really Big Sky (2012) is 8 years older than Devastation - Annihilate the Alien Race (2020). Devastation - Annihilate the Alien Race is currently ~40% cheaper on Steam than Really Big Sky (2.99 USD vs. 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 Devastation - Annihilate the Alien Race
Choose Devastation - Annihilate the Alien Race if you want a Casual game with Shared/Split Screen Co-op and Co-op. On Steam, it's currently about 40% cheaper on the Steam Store. Devastation - Annihilate the Alien Race launched in 2020.
Both Really Big Sky and Devastation - Annihilate the Alien Race sit in Action and Indie on Steam and both list Multi-player and Shared/Split Screen, 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
 Really Big Sky |  Devastation - Annihilate the Alien Race | |
|---|---|---|
| Released | 2012 | 2020 |
| Genres | Action, Indie | Action, Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 4.99 USD | 2.99 USD |
| Steam reviews | 69.5% positive (151 reviews) | 1 reviews |
| Multiplayer | Multi-player | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Boss Baddie | Myke Wills |
Side by side
- Both share Action, Indie on Steam.
- Really Big Sky (2012) is 8 years older than Devastation - Annihilate the Alien Race (2020).
- Devastation - Annihilate the Alien Race is currently ~40% cheaper on Steam than Really Big Sky (2.99 USD vs. 4.99 USD).
- Devastation - Annihilate the Alien Race has co-op; Really Big Sky does not.
- Really Big Sky is Deck Unsupported on Steam Deck; Devastation - Annihilate the Alien Race has no Deck rating yet.
Really Big Sky vs Devastation - Annihilate the Alien Race — FAQ
- Should I play Really Big Sky or Devastation - Annihilate the Alien Race first?
- If you want chronology, Really Big Sky (2012) came out before Devastation - Annihilate the Alien Race (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 Really Big Sky and Devastation - Annihilate the Alien Race 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.