IMHO.

Ancient Siberia vs Onset

Ancient Siberia and Onset both land in Action, Indie, Simulation 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, Simulation on Steam. Ancient Siberia (2017) is 2 years older than Onset (2019). Onset scores higher on Steam reviews (51.9% positive) than Ancient Siberia (41.7% 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 Ancient Siberia

Choose Ancient Siberia if you want an Adventure, Free To Play, and Nudity game with Online Co-op and Co-op. On Steam, it has co-op, so you can bring a friend. Ancient Siberia launched in 2017.

Choose Onset

Choose Onset if it matches what drew you to this matchup. Onset launched in 2019.

Both Ancient Siberia and Onset sit in Action, Indie, and Simulation 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

Ancient Siberia vs Onset — Steam metadata comparison
Ancient Siberia — Steam game coverAncient SiberiaOnset — Steam game coverOnset
Released20172019
GenresAction, Indie, Adventure, Simulation, Massively Multiplayer, RPG, Free To Play, Early Access, Nudity, ViolentAction, Indie, Simulation, Massively Multiplayer, RPG, Early Access
PlatformsWindowsWindows
Steam DeckUnratedUnrated
PricePrice unknown18.99 USD
Steam reviews41.7% positive (60 reviews)51.9% positive (160 reviews)
MultiplayerMulti-player, Online Co-op, Co-opMulti-player
DevelopersValga Games StudioBlue Mountains

Side by side

Ancient Siberia vs Onset — FAQ

Should I play Ancient Siberia or Onset first?
If you want chronology, Ancient Siberia (2017) 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 Ancient Siberia and Onset similar?
They overlap on Action, Indie, Simulation 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.
Ancient Siberia vs Onset — Verdict (2026) · imho.run