IMHO.

Horizon Idle vs Cosmic Ascent

Horizon Idle and Cosmic Ascent both land in 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 are Simulation games on Steam. 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 Horizon Idle

Choose Horizon Idle if you want a RPG and Early Access experience.

Choose Cosmic Ascent

Choose Cosmic Ascent if you want a Strategy, Indie, and Casual game with Camera Comfort and Custom Volume Controls.

Both Horizon Idle and Cosmic Ascent sit in Simulation on Steam and both list Playable without Timed Input and Save Anytime, 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

Horizon Idle vs Cosmic Ascent — Steam metadata comparison
Horizon Idle — Steam game coverHorizon IdleCosmic Ascent — Steam game coverCosmic Ascent
Released
GenresSimulation, RPG, Early AccessStrategy, Indie, Simulation, Casual
PlatformsWindowsWindows
Steam DeckUnratedUnrated
PricePrice unknownPrice unknown
Steam reviews
MultiplayerSingle-player onlySingle-player only
DevelopershaidesLeandro Albornoz

Side by side

Horizon Idle vs Cosmic Ascent — FAQ

Are Horizon Idle and Cosmic Ascent similar?
They overlap on 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.
Horizon Idle vs Cosmic Ascent — Verdict (2026) · imho.run