IMHO.

Nuclear Throne vs Cosmos

Nuclear Throne and Cosmos both land in Action, Indie 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 on Steam. Nuclear Throne (2015) is 5 years older than Cosmos (2020). Nuclear Throne scores higher on Steam reviews (96.5% positive) than Cosmos (83.3% 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 Nuclear Throne

Choose Nuclear Throne if you want a RPG game with Multi-player, Shared/Split Screen, and Steam Leaderboards. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 9,705 Steam reviews back the pick.

Choose Cosmos

Choose Cosmos if you want an Adventure experience. On Steam, it's currently about 83% cheaper on the Steam Store. Cosmos launched in 2020.

Both Nuclear Throne and Cosmos sit in Action and Indie 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

Nuclear Throne vs Cosmos — Steam metadata comparison
Nuclear Throne — Steam game coverNuclear ThroneCosmos — Steam game coverCosmos
Released20152020
GenresAction, Indie, RPGAction, Indie, Adventure
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck VerifiedUnrated
Price11.99 USD1.99 USD
Steam reviews96.5% positive (9,705 reviews)83.3% positive (12 reviews)
MultiplayerMulti-player, Shared/Split Screen Co-op, Co-opSingle-player only
DevelopersVlambeerJacwab

Side by side

Nuclear Throne vs Cosmos — FAQ

Should I play Nuclear Throne or Cosmos first?
If you want chronology, Nuclear Throne (2015) came out before Cosmos (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 Nuclear Throne and Cosmos similar?
They overlap on Action, Indie 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 Cosmos have multiplayer like Nuclear Throne?
No. Nuclear Throne supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Cosmos is listed as single-player only.
Does Nuclear Throne run on Steam Deck?
Yes — Nuclear Throne is rated Deck Verified by Valve. Cosmos doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Nuclear Throne vs Cosmos — Verdict (2026) · imho.run