Choose Hearts 3D Premium
Choose Hearts 3D Premium if you want a Simulation experience. Hearts 3D Premium launched in 2024.
Hearts 3D Premium vs 0KEY!
Hearts 3D Premium and 0KEY! both land in Strategy, 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 Strategy, Indie, Casual on Steam. Hearts 3D Premium (2024) is 2 years older than 0KEY! (2026). 0KEY! is currently ~60% cheaper on Steam than Hearts 3D Premium (2.00 USD vs. 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 0KEY!
Choose 0KEY! if you want an Early Access game with Custom Volume Controls, Playable without Timed Input, and Mouse Only Option. On Steam, it's currently about 60% cheaper on the Steam Store. 0KEY! launched in 2026.
Both Hearts 3D Premium and 0KEY! sit in Strategy, Indie, and Casual on Steam and both list Multi-player, Online PvP, and Online 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
 Hearts 3D Premium |  0KEY! | |
|---|---|---|
| Released | 2024 | 2026 |
| Genres | Strategy, Indie, Simulation, Casual | Strategy, Indie, Casual, Early Access |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | 2.00 USD |
| Steam reviews | 72.7% positive (11 reviews) | — |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | BufoProject | deVop Games |
Side by side
- Both share Strategy, Indie, Casual on Steam.
- Hearts 3D Premium (2024) is 2 years older than 0KEY! (2026).
- 0KEY! is currently ~60% cheaper on Steam than Hearts 3D Premium (2.00 USD vs. 4.99 USD).
- Both support cooperative play.
Hearts 3D Premium vs 0KEY! — FAQ
- Should I play Hearts 3D Premium or 0KEY! first?
- If you want chronology, Hearts 3D Premium (2024) came out before 0KEY! (2026). 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 Hearts 3D Premium and 0KEY! similar?
- They overlap on Strategy, Indie, Casual 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 Hearts 3D Premium and 0KEY! have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Hearts 3D Premium ships Online Co-op, LAN Co-op; 0KEY! ships Online Co-op, LAN Co-op.