| App Type | game |
| Release Date | Dec 26, 2025 |
| Details Last Modified | December 26, 2025 (9 months ago) |
| Developer | Razzledazzle Studio |
| Publisher | DADIU |
| Genres | Free To Play, Racing |
| Supported Systems |
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| Price | Free |
| Required Age | 0+ |
Once Upon a Shell is a roguelike racing game of ridiculous speed and wild upgrades. As a tortoise, use your shell to your advantage and slide downhill to generate speed. Build movement combos between races and prove that even a tortoise can lift The Hare Cup.
Family Sharing
Full controller support
Single-player
Steam Achievements
Steam Cloud