LeWorm is a nice Slither Style IO game letting you slither through a snakey world. When roaming through this world, you should eat up as many foods as possible to get bigger, and then you use your long body to encircle and trap other enemy snakes, killing them instantly. Defend the head of your snake all the time, elude crashing into the body of other players, or else you will die! Keep your snake upgraded over time then work your way to the top of the leaderboard. Good luck!