Choose Oni Onsen
Choose Oni Onsen if you want the Chat Text-to-speech side of the pairing. Oni Onsen launched in 2025.
Oni Onsen vs Monster Ops 19
Oni Onsen and Monster Ops 19 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. Oni Onsen (2025) is 1 year older than Monster Ops 19 (2026). Monster Ops 19 is currently ~75% cheaper on Steam than Oni Onsen (4.99 USD vs. 19.99 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 Monster Ops 19
Choose Monster Ops 19 if you want the Touch Only Option side of the pairing. On Steam, it's currently about 75% cheaper on the Steam Store. Monster Ops 19 launched in 2026.
Both Oni Onsen and Monster Ops 19 sit in Simulation on Steam and both list Adjustable Text Size, Custom Volume Controls, and Playable without Timed Input, 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
 Oni Onsen |  Monster Ops 19 | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Simulation | Simulation |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 4.99 USD |
| Steam reviews | 8 reviews | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Y Press Games | Y Press Games |
Side by side
- Both are Simulation games on Steam.
- Oni Onsen (2025) is 1 year older than Monster Ops 19 (2026).
- Monster Ops 19 is currently ~75% cheaper on Steam than Oni Onsen (4.99 USD vs. 19.99 USD).
- Oni Onsen is Deck Playable on Steam Deck; Monster Ops 19 has no Deck rating yet.
Oni Onsen vs Monster Ops 19 — FAQ
- Should I play Oni Onsen or Monster Ops 19 first?
- If you want chronology, Oni Onsen (2025) came out before Monster Ops 19 (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 Oni Onsen and Monster Ops 19 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.
- Does Oni Onsen run on Steam Deck?
- Yes — Oni Onsen is rated Deck Playable by Valve. Monster Ops 19 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.