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…

Blurb by the publisher, via Steam — shortened.

Genre

Racing

Type

offline

Developer

Razzledazzle Studio

Publisher

DADIU

Released

Dec 26, 2025

Platforms

Windows, macOS

DRM

None detected

Status

active