IMHO.

ATLAS vs Onset

ATLAS and Onset both land in Action, Massively Multiplayer, 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, Massively Multiplayer, RPG on Steam. ATLAS (2018) is 1 year older than Onset (2019). Onset scores higher on Steam reviews (51.9% positive) than ATLAS (46.9% 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 ATLAS

Choose ATLAS if you want an Adventure game with Online Co-op and Co-op. On Steam, it has co-op, so you can bring a friend. 19,956 Steam reviews back the pick.

Choose Onset

Choose Onset if you want an Indie and Simulation experience. On Steam, it carries the stronger Steam consensus at 51.9% positive across 160 reviews.

Both ATLAS and Onset sit in Action, Massively Multiplayer, and RPG on Steam and both list Multi-player, MMO, and Online PvP, 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

ATLAS vs Onset — Steam metadata comparison
ATLAS — Steam game coverATLASOnset — Steam game coverOnset
Released20182019
GenresAction, Adventure, Massively Multiplayer, RPG, Early AccessAction, Indie, Simulation, Massively Multiplayer, RPG, Early Access
PlatformsWindowsWindows
Steam DeckDeck UnsupportedUnrated
Price29.99 USD18.99 USD
Steam reviews46.9% positive (19,956 reviews)51.9% positive (160 reviews)
MultiplayerMulti-player, Online Co-op, Co-opMulti-player
DevelopersGrapeshot Games, Instinct GamesBlue Mountains

Side by side

ATLAS vs Onset — FAQ

Which is better, ATLAS or Onset?
On Steam reviews Onset scores higher (51.9% positive) than ATLAS (46.9% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Onset is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play ATLAS or Onset first?
If you want chronology, ATLAS (2018) came out before Onset (2019). 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 ATLAS and Onset similar?
They overlap on Action, Massively Multiplayer, 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.
ATLAS vs Onset — Verdict (2026) · imho.run