Choose PLANET ALPHA
Choose PLANET ALPHA if it's currently about 41% cheaper on the Steam Store. PLANET ALPHA launched in 2018.
PLANET ALPHA vs Outpost Delta
PLANET ALPHA and Outpost Delta 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. PLANET ALPHA (2018) is 2 years older than Outpost Delta (2020). PLANET ALPHA is currently ~41% cheaper on Steam than Outpost Delta (9.99 USD vs. 16.99 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 Outpost Delta
Choose Outpost Delta if it matches what drew you to this matchup. Outpost Delta launched in 2020.
Both PLANET ALPHA and Outpost Delta sit in Action, Indie, and Adventure 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
 PLANET ALPHA |  Outpost Delta | |
|---|---|---|
| Released | 2018 | 2020 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 9.99 USD | 16.99 USD |
| Steam reviews | 75.1% positive (261 reviews) | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Planet Alpha ApS | Hidden Achievement LLC |
Side by side
- Both share Action, Indie, Adventure on Steam.
- PLANET ALPHA (2018) is 2 years older than Outpost Delta (2020).
- PLANET ALPHA is currently ~41% cheaper on Steam than Outpost Delta (9.99 USD vs. 16.99 USD).
- PLANET ALPHA is Deck Unsupported on Steam Deck; Outpost Delta has no Deck rating yet.
PLANET ALPHA vs Outpost Delta — FAQ
- Should I play PLANET ALPHA or Outpost Delta first?
- If you want chronology, PLANET ALPHA (2018) came out before Outpost Delta (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 PLANET ALPHA and Outpost Delta 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.