Choose Planet Mort
Choose Planet Mort if you want an Indie game with DualSense Controller Support. On Steam, it's free to play, so the barrier to trying it is zero. Planet Mort launched in 2024.
Planet Mort vs Only Up Spaceman
Planet Mort and Only Up Spaceman both land in Action, Adventure, 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 Action, Adventure, Casual on Steam. Both released in 2024. Planet Mort is free; Only Up Spaceman is paid (5.99 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 Only Up Spaceman
Choose Only Up Spaceman if you want the Steam Leaderboards side of the pairing. Only Up Spaceman launched in 2024.
Both Planet Mort and Only Up Spaceman sit in Action, Adventure, 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
 Planet Mort |  Only Up Spaceman | |
|---|---|---|
| Released | 2024 | 2024 |
| Genres | Action, Indie, Adventure, Casual | Action, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | Free to play | 5.99 USD |
| Steam reviews | 92.3% positive (13 reviews) | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Pomoranian | Limey Studio |
Side by side
- Both share Action, Adventure, Casual on Steam.
- Both released in 2024.
- Planet Mort is free; Only Up Spaceman is paid (5.99 USD).
- Planet Mort is Deck Playable on Steam Deck; Only Up Spaceman has no Deck rating yet.
Planet Mort vs Only Up Spaceman — FAQ
- Are Planet Mort and Only Up Spaceman similar?
- They overlap on Action, Adventure, 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 Planet Mort free?
- Yes — Planet Mort is a free-to-play Steam title. Only Up Spaceman is paid (5.99 USD).
- Does Planet Mort run on Steam Deck?
- Yes — Planet Mort is rated Deck Playable by Valve. Only Up Spaceman doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.