Rat Overflow

by Little Beast Lab

Rat Overflow is an adorable rat breeding simulator about genetics, glory, and having way too many rats. Develop your show winner bloodlines and breed thousands of unique rat coats!

In Early Access since Mar 12, 2026 · 86% positive of 65 Steam reviews

Tags: Simulation, Creature Collector, Casual, Cute, Life Sim, Sandbox, 2D, Science

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