Choose UnderParty
Choose UnderParty if you want an Indie and Adventure experience. On Steam, it's currently about 61% cheaper on the Steam Store. UnderParty launched in 2020.
UnderParty vs Nightmare
UnderParty and Nightmare both land in Action 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 Action games on Steam. UnderParty (2020) is 2 years older than Nightmare (2022). UnderParty scores higher on Steam reviews (86.2% positive) than Nightmare (70% positive). 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 Nightmare
Choose Nightmare if it matches what drew you to this matchup. Nightmare launched in 2022.
Both UnderParty and Nightmare sit in Action 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
 UnderParty |  Nightmare | |
|---|---|---|
| Released | 2020 | 2022 |
| Genres | Action, Indie, Adventure | Action |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | 17.99 USD |
| Steam reviews | 86.2% positive (138 reviews) | 70% positive (10 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | SekaiFrieden | onimasyumaro |
Side by side
- Both are Action games on Steam.
- UnderParty (2020) is 2 years older than Nightmare (2022).
- UnderParty scores higher on Steam reviews (86.2% positive) than Nightmare (70% positive).
- UnderParty is currently ~61% cheaper on Steam than Nightmare (6.99 USD vs. 17.99 USD).
UnderParty vs Nightmare — FAQ
- Should I play UnderParty or Nightmare first?
- If you want chronology, UnderParty (2020) came out before Nightmare (2022). 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 UnderParty and Nightmare similar?
- They overlap on Action 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.