Choose Trine 4: The Nightmare Prince
Choose Trine 4: The Nightmare Prince if you want an Action game with Online Co-op. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 2,869 Steam reviews back the pick.
Trine 4: The Nightmare Prince vs Strings Theory
Trine 4: The Nightmare Prince and Strings Theory both land in 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 Indie, Adventure on Steam. Trine 4: The Nightmare Prince (2019) is 2 years older than Strings Theory (2021). Strings Theory scores higher on Steam reviews (100% positive) than Trine 4: The Nightmare Prince (93.2% 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 Strings Theory
Choose Strings Theory if you want a Casual experience. On Steam, it's currently about 50% cheaper on the Steam Store. Strings Theory launched in 2021.
Both Trine 4: The Nightmare Prince and Strings Theory sit in Indie and Adventure on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op, 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
 Trine 4: The Nightmare Prince |  Strings Theory | |
|---|---|---|
| Released | 2019 | 2021 |
| Genres | Action, Indie, Adventure | Indie, Adventure, Casual |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Deck Verified | Unrated |
| Price | 29.99 USD | 14.99 USD |
| Steam reviews | 93.2% positive (2,869 reviews) | 100% positive (19 reviews) |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Frozenbyte | BeautifulBee |
Side by side
- Both share Indie, Adventure on Steam.
- Trine 4: The Nightmare Prince (2019) is 2 years older than Strings Theory (2021).
- Strings Theory scores higher on Steam reviews (100% positive) than Trine 4: The Nightmare Prince (93.2% positive).
- Strings Theory is currently ~50% cheaper on Steam than Trine 4: The Nightmare Prince (14.99 USD vs. 29.99 USD).
- Both support cooperative play.
- Trine 4: The Nightmare Prince is Deck Verified on Steam Deck; Strings Theory has no Deck rating yet.
Trine 4: The Nightmare Prince vs Strings Theory — FAQ
- Should I play Trine 4: The Nightmare Prince or Strings Theory first?
- If you want chronology, Trine 4: The Nightmare Prince (2019) came out before Strings Theory (2021). 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 Trine 4: The Nightmare Prince and Strings Theory similar?
- They overlap on 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.
- Do both Trine 4: The Nightmare Prince and Strings Theory have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Trine 4: The Nightmare Prince ships Online Co-op, Shared/Split Screen Co-op; Strings Theory ships Shared/Split Screen Co-op, Co-op.
- Does Trine 4: The Nightmare Prince run on Steam Deck?
- Yes — Trine 4: The Nightmare Prince is rated Deck Verified by Valve. Strings Theory doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.