Creatur.io is a free, online, HTML5 game where you play as a creature that evolves over time. You can play with friends or strangers, and the goal is to be the last creature standing. To evolve, you need to eat other creatures. The more creatures you eat, the bigger and stronger you become. You can also find power-ups to help you in the game. Creatur.io is a fun and challenging game that is perfect for players of all ages.