A top-down lightweight Rogue-like survivor game where players take on the role of a beast capable of evolving multiple times to fend off hordes of enemies. Choose from various evolution paths, talents, and skills build, survive against all odds, and ultimately evolve into the ultimate life form. The universe was primordial, and the world had just taken form, yet the innate beings were suffering from an unknown calamity. An ignorant soul found itself reincarnated into this world as a beast, struggling to survive amidst endless waves of frenzied enemies. Fortunately, in its past life, it had practiced some physical cultivation. Now, it must train relentlessly, strive to gain spiritual essence, and evolve continuously to uncover the source of this calamity.