Choose Traum
Choose Traum if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Traum launched in 2018.
Traum vs The Mystery of Happyville
Traum and The Mystery of Happyville both land in Indie, Adventure, Violent 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, Violent on Steam. Both released in 2018. Traum is free; The Mystery of Happyville is paid (4.99 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 The Mystery of Happyville
Choose The Mystery of Happyville if you want an Action and Casual game with Multi-player, Shared/Split Screen, and Shared/Split Screen PvP. On Steam, it has co-op, so you can bring a friend. The Mystery of Happyville launched in 2018.
Both Traum and The Mystery of Happyville sit in Indie, Adventure, and Violent 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
 Traum |  The Mystery of Happyville | |
|---|---|---|
| Released | 2018 | 2018 |
| Genres | Indie, Adventure, Free To Play, Violent, Gore | Action, Indie, Adventure, Casual, Violent, Gore |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | 4.99 USD |
| Steam reviews | 92.4% positive (251 reviews) | 4 reviews |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Ruskatuli | Studio HK |
Side by side
- Both share Indie, Adventure, Violent on Steam.
- Both released in 2018.
- Traum is free; The Mystery of Happyville is paid (4.99 USD).
- The Mystery of Happyville has co-op; Traum does not.
Traum vs The Mystery of Happyville — FAQ
- Are Traum and The Mystery of Happyville similar?
- They overlap on Indie, Adventure, Violent 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 Traum have multiplayer like The Mystery of Happyville?
- No. The Mystery of Happyville supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Traum is listed as single-player only.
- Is Traum free?
- Yes — Traum is a free-to-play Steam title. The Mystery of Happyville is paid (4.99 USD).