Choose Monstrum
Choose Monstrum if you want the VR Supported side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 1,281 Steam reviews back the pick.
Monstrum vs Ergastulum: Dungeon Nightmares III
Monstrum and Ergastulum: Dungeon Nightmares III both land in Indie 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 Indie games on Steam. Monstrum (2015) is 5 years older than Ergastulum: Dungeon Nightmares III (2020). Monstrum scores higher on Steam reviews (89.3% positive) than Ergastulum: Dungeon Nightmares III (67.5% 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 Ergastulum: Dungeon Nightmares III
Choose Ergastulum: Dungeon Nightmares III if you want an Action, Adventure, and Early Access experience. On Steam, it's currently about 56% cheaper on the Steam Store. Ergastulum: Dungeon Nightmares III launched in 2020.
Both Monstrum and Ergastulum: Dungeon Nightmares III sit in Indie 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
 Monstrum |  Ergastulum: Dungeon Nightmares III | |
|---|---|---|
| Released | 2015 | 2020 |
| Genres | Indie | Action, Indie, Adventure, Early Access |
| Platforms | Windows, macOS, Linux | Windows, macOS |
| Steam Deck | Deck Verified | Unrated |
| Price | 17.99 USD | 7.99 USD |
| Steam reviews | 89.3% positive (1,281 reviews) | 67.5% positive (40 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Team Junkfish | K Monkey |
Side by side
- Both are Indie games on Steam.
- Monstrum (2015) is 5 years older than Ergastulum: Dungeon Nightmares III (2020).
- Monstrum scores higher on Steam reviews (89.3% positive) than Ergastulum: Dungeon Nightmares III (67.5% positive).
- Ergastulum: Dungeon Nightmares III is currently ~56% cheaper on Steam than Monstrum (7.99 USD vs. 17.99 USD).
- Monstrum is Deck Verified on Steam Deck; Ergastulum: Dungeon Nightmares III has no Deck rating yet.
Monstrum vs Ergastulum: Dungeon Nightmares III — FAQ
- Should I play Monstrum or Ergastulum: Dungeon Nightmares III first?
- If you want chronology, Monstrum (2015) came out before Ergastulum: Dungeon Nightmares III (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 Monstrum and Ergastulum: Dungeon Nightmares III similar?
- They overlap on Indie 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 Monstrum run on Steam Deck?
- Yes — Monstrum is rated Deck Verified by Valve. Ergastulum: Dungeon Nightmares III doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.