In a tough world of snakes in Cool Snakes.io unblocked, you have to fight for domination. Pretty much inspired by Slither.io, Cool Snakes.io free online also lets you play as an aggressive snake that has to kill all other enemies slithering around the same arena. All of you will step into this 3D snowy snake world in the shape of a small snake. But, through over time collecting power-ups, you will gain size and become a larger snake. You should wait for a perfect chance to outplay all other opponents in the arena for a chance of winning. You can encircle them, speed up to outmaneuver them, and cut them off. Make sure you avoid running into the body of a certain snake with your head, or else the game will be over for you. Keep playing with smart strategies, eat tons of glowing pellets, and survive to become the most powerful snake in the arena.