Choose Cat Quest
Choose Cat Quest if you want a RPG experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 3,491 Steam reviews back the pick.
Cat Quest vs UNDEFINED
Cat Quest and UNDEFINED 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. Cat Quest (2017) is 2 years older than UNDEFINED (2019). UNDEFINED is currently ~92% cheaper on Steam than Cat Quest (0.99 USD vs. 12.99 USD). 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 UNDEFINED
Choose UNDEFINED if it's currently about 92% cheaper on the Steam Store. UNDEFINED launched in 2019.
Both Cat Quest and UNDEFINED sit in Action, Indie, and Adventure 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
 Cat Quest |  UNDEFINED | |
|---|---|---|
| Released | 2017 | 2019 |
| Genres | Action, Indie, Adventure, RPG, Casual | Action, Indie, Adventure, Casual |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 12.99 USD | 0.99 USD |
| Steam reviews | 95% positive (3,491 reviews) | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | The Gentlebros | Axe Games |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Cat Quest (2017) is 2 years older than UNDEFINED (2019).
- UNDEFINED is currently ~92% cheaper on Steam than Cat Quest (0.99 USD vs. 12.99 USD).
- Cat Quest is Deck Verified on Steam Deck; UNDEFINED has no Deck rating yet.
Cat Quest vs UNDEFINED — FAQ
- Should I play Cat Quest or UNDEFINED first?
- If you want chronology, Cat Quest (2017) came out before UNDEFINED (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 Cat Quest and UNDEFINED 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.
- Does Cat Quest run on Steam Deck?
- Yes — Cat Quest is rated Deck Verified by Valve. UNDEFINED doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.