Afterbeat (Project Arrhythmia) and Rainbow Unicorn Dash both land in Action, 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 share Action, Indie on Steam. Both released in 2026. Rainbow Unicorn Dash is free; Afterbeat (Project Arrhythmia) is paid (14.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Choose Afterbeat (Project Arrhythmia) if you want a Strategy and Adventure game with Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op. On Steam, it has co-op, so you can bring a friend. 2,783 Steam reviews back the pick.
Choose Rainbow Unicorn Dash if you want a Free To Play and Casual experience. On Steam, it's free to play, so the barrier to trying it is zero. Rainbow Unicorn Dash launched in 2026.
Both Afterbeat (Project Arrhythmia) and Rainbow Unicorn Dash sit in Action and Indie on Steam and both list Steam Leaderboards and Gamepad Recommended, 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.
 Afterbeat (Project Arrhythmia) |  Rainbow Unicorn Dash | |
|---|---|---|
| Released | 2026 | 2026 |
| Genres | Action, Strategy, Indie, Adventure | Action, Indie, Free To Play, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 14.99 USD | Free to play |
| Steam reviews | 95.5% positive (2,783 reviews) | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | Vitamin Games | Bird Bath Games |