Choose PLANET ALPHA
Choose PLANET ALPHA if it's a focused single-player run rather than a multiplayer commitment. PLANET ALPHA launched in 2018.
PLANET ALPHA vs Black Demeter
PLANET ALPHA and Black Demeter 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. Black Demeter has co-op; PLANET ALPHA does not. PLANET ALPHA is Deck Unsupported on Steam Deck; Black Demeter has no Deck rating yet. 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 Black Demeter
Choose Black Demeter if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend.
Both PLANET ALPHA and Black Demeter 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 |  Black Demeter | |
|---|---|---|
| Released | 2018 | — |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 9.99 USD | Price unknown |
| Steam reviews | 75.1% positive (261 reviews) | — |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Planet Alpha ApS | Max Skawran |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Black Demeter has co-op; PLANET ALPHA does not.
- PLANET ALPHA is Deck Unsupported on Steam Deck; Black Demeter has no Deck rating yet.
PLANET ALPHA vs Black Demeter — FAQ
- Are PLANET ALPHA and Black Demeter 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.
- Does PLANET ALPHA have multiplayer like Black Demeter?
- No. Black Demeter supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while PLANET ALPHA is listed as single-player only.