IMHO.

Catacomb Kids vs XO-Planets

Catacomb Kids and XO-Planets both land in Action, Indie, RPG 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, RPG on Steam. Catacomb Kids (2015) is 11 years older than XO-Planets (2026). Catacomb Kids scores higher on Steam reviews (85.1% positive) than XO-Planets (80% positive). 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 Catacomb Kids

Choose Catacomb Kids if you want an Early Access game with Shared/Split Screen PvP and PvP. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Catacomb Kids launched in 2015.

Choose XO-Planets

Choose XO-Planets if it's currently about 96% cheaper on the Steam Store. XO-Planets launched in 2026.

Both Catacomb Kids and XO-Planets sit in Action, Indie, and RPG on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op, 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

Catacomb Kids vs XO-Planets — Steam metadata comparison
Catacomb Kids — Steam game coverCatacomb KidsXO-Planets — Steam game coverXO-Planets
Released20152026
GenresAction, Indie, RPG, Early AccessAction, Indie, RPG
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck VerifiedUnrated
Price15.99 USD0.69 USD
Steam reviews85.1% positive (415 reviews)80% positive (20 reviews)
MultiplayerMulti-player, Shared/Split Screen Co-op, Co-opMulti-player, Shared/Split Screen Co-op, Co-op
DevelopersFourbitFridaymyradann

Side by side

Catacomb Kids vs XO-Planets — FAQ

Should I play Catacomb Kids or XO-Planets first?
If you want chronology, Catacomb Kids (2015) came out before XO-Planets (2026). 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 Catacomb Kids and XO-Planets similar?
They overlap on Action, Indie, RPG 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.
Do both Catacomb Kids and XO-Planets have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Catacomb Kids ships Shared/Split Screen Co-op, Co-op; XO-Planets ships Shared/Split Screen Co-op, Co-op.
Does Catacomb Kids run on Steam Deck?
Yes — Catacomb Kids is rated Deck Verified by Valve. XO-Planets doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Catacomb Kids vs XO-Planets — Verdict (2026) · imho.run