Choose Abyssus
Choose Abyssus if you want the Custom Volume Controls side of the pairing. 2,880 Steam reviews back the pick.
Abyssus vs Hume Index
Abyssus and Hume Index both land in Action, Indie, Adventure 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, Adventure on Steam. Abyssus (2025) is 1 year older than Hume Index (2026). Both support cooperative play. 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 Hume Index
Choose Hume Index if you want a Strategy experience. Hume Index launched in 2026.
Both Abyssus and Hume Index sit in Action, Indie, and Adventure on Steam and both list Multi-player, Online Co-op, and 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
 Abyssus |  Hume Index | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Action, Indie, Adventure | Action, Strategy, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 24.99 USD | Price unknown |
| Steam reviews | 87.5% positive (2,880 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | DoubleMoose Games | Unfathomably Productive Game Studio |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Abyssus (2025) is 1 year older than Hume Index (2026).
- Both support cooperative play.
- Abyssus is Deck Playable on Steam Deck; Hume Index has no Deck rating yet.
Abyssus vs Hume Index — FAQ
- Should I play Abyssus or Hume Index first?
- If you want chronology, Abyssus (2025) came out before Hume Index (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 Abyssus and Hume Index similar?
- They overlap on Action, Indie, Adventure 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 Abyssus and Hume Index have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Abyssus ships Online Co-op, Co-op; Hume Index ships Online Co-op, Co-op.
- Does Abyssus run on Steam Deck?
- Yes — Abyssus is rated Deck Playable by Valve. Hume Index doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.