The Mystery of Happyville and 0Gravity both land in Action, Indie, Casual 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 Action, Indie, Casual on Steam. The Mystery of Happyville (2018) is 1 year older than 0Gravity (2019). 0Gravity 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.
Choose The Mystery of Happyville if you want an Adventure, Violent, and Gore game with Shared/Split Screen Co-op and Co-op. On Steam, it has co-op, so you can bring a friend. The Mystery of Happyville launched in 2018.
Choose 0Gravity if you want a Massively Multiplayer, Free To Play, and Early Access experience. On Steam, it's free to play, so the barrier to trying it is zero. 0Gravity launched in 2019.
Both The Mystery of Happyville and 0Gravity sit in Action, Indie, and Casual on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen PvP, 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.
 The Mystery of Happyville |  0Gravity | |
|---|---|---|
| Released | 2018 | 2019 |
| Genres | Action, Indie, Adventure, Casual, Violent, Gore | Action, Indie, Massively Multiplayer, Free To Play, Casual, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 4.99 USD | Free to play |
| Steam reviews | 4 reviews | 60% positive (10 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player |
| Developers | Studio HK | Viktor Kunshin |
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