Choose Shadowgrounds
Choose Shadowgrounds if it matches what drew you to this matchup. Shadowgrounds launched in 2006.
Shadowgrounds vs Ultra Mega Planet Battles
Shadowgrounds and Ultra Mega Planet Battles both land in Action 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 are Action games on Steam. Shadowgrounds (2006) is 19 years older than Ultra Mega Planet Battles (2025). Ultra Mega Planet Battles is currently ~57% cheaper on Steam than Shadowgrounds (2.99 USD vs. 6.99 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 Ultra Mega Planet Battles
Choose Ultra Mega Planet Battles if you want an Indie and Adventure game with Shared/Split Screen Co-op and Co-op. On Steam, it's currently about 57% cheaper on the Steam Store. Ultra Mega Planet Battles launched in 2025.
Both Shadowgrounds and Ultra Mega Planet Battles sit in Action 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
 Shadowgrounds |  Ultra Mega Planet Battles | |
|---|---|---|
| Released | 2006 | 2025 |
| Genres | Action | Action, Indie, Adventure |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 6.99 USD | 2.99 USD |
| Steam reviews | 81.3% positive (557 reviews) | 1 reviews |
| Multiplayer | Multi-player | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Frozenbyte | Solindie Games |
Side by side
- Both are Action games on Steam.
- Shadowgrounds (2006) is 19 years older than Ultra Mega Planet Battles (2025).
- Ultra Mega Planet Battles is currently ~57% cheaper on Steam than Shadowgrounds (2.99 USD vs. 6.99 USD).
- Ultra Mega Planet Battles has co-op; Shadowgrounds does not.
- Shadowgrounds is Deck Unsupported on Steam Deck; Ultra Mega Planet Battles has no Deck rating yet.
Shadowgrounds vs Ultra Mega Planet Battles — FAQ
- Should I play Shadowgrounds or Ultra Mega Planet Battles first?
- If you want chronology, Shadowgrounds (2006) came out before Ultra Mega Planet Battles (2025). 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 Shadowgrounds and Ultra Mega Planet Battles similar?
- They overlap on Action 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.