Jojo Studios

Independent Studio Focused on Mechanics-Driven Indie Games

Currently developing Small Heart, Steel World — A 2D surface-crawling action platformer built around true 360° traversal and tactical burrowing.

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Small Heart, Steel World

Small Heart, Steel World is an atmospheric 2D action platformer built around true 360° surface traversal and tactical burrowing.Players control a pet rat navigating a robot-controlled world to rescue his human. Seamless movement across floors, walls, and ceilings enables non-linear routing, while burrowing allows players to manipulate environments, disable enemy spawners, and create escape paths under time pressure.

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Development Status

Small Heart, Steel World is currently in active development.A playable demo is live and showcases the core traversal system, burrow mechanics, and enemy AI.Core systems are implemented and validated. Current development focuses on biome expansion, boss encounters, progression systems, and production polish.