Choose Undertale
Choose Undertale if it's currently about 50% cheaper on the Steam Store. 160,033 Steam reviews back the pick.
Undertale vs OMORI
Undertale and OMORI both land in Indie, 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 Indie, RPG on Steam. Undertale (2015) is 5 years older than OMORI (2020). Both sit near 97% positive on Steam (Undertale: 160,033 reviews, OMORI: 53,302). 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 OMORI
Choose OMORI if you want an Adventure experience. On Steam, it's the newer release (2020) and ships with the modern feature baseline. 53,302 Steam reviews back the pick.
Both Undertale and OMORI sit in Indie and RPG on Steam, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (96.6% vs 97.5% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 Undertale |  OMORI | |
|---|---|---|
| Released | 2015 | 2020 |
| Genres | Indie, RPG | Indie, Adventure, RPG |
| Platforms | Windows, macOS, Linux | Windows, macOS |
| Steam Deck | Deck Playable | Deck Playable |
| Price | 9.99 USD | 19.99 USD |
| Steam reviews | 96.6% positive (160,033 reviews) | 97.5% positive (53,302 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | tobyfox | OMOCAT, LLC |
Side by side
- Both share Indie, RPG on Steam.
- Undertale (2015) is 5 years older than OMORI (2020).
- Both sit near 97% positive on Steam (Undertale: 160,033 reviews, OMORI: 53,302).
- Undertale is currently ~50% cheaper on Steam than OMORI (9.99 USD vs. 19.99 USD).
- Both are Deck Playable.
Undertale vs OMORI — FAQ
- Which is better, Undertale or OMORI?
- On Steam reviews the two are nearly tied: Undertale sits at 96.6% positive (160,033 reviews), OMORI at 97.5% (53,302). The choice usually comes down to genre fit and the platform features each one supports — see the comparison table above.
- Should I play Undertale or OMORI first?
- If you want chronology, Undertale (2015) came out before OMORI (2020). 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 Undertale and OMORI similar?
- They overlap on Indie, 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.