Mope.io

Mope.io (stylized as mope.io) is a "survival of the fittest" .io game where players evolve through 17 tiers by eating, while managing water/lava bars and utilizing a color-coded predator/prey system. The gameplay features 4 specialized biomes, tail-biting mechanics, 1v1 arena battles for high-tier players, and an in-game shop for cosmetic skins.