Control: Mouse or Trackpad
How do you play Fisp.IO?
Things to do: You should eat all colorful items you see on the ground. It will help your spinner move faster and if you are faster than the opponent, you can touch against to kill it.
Not to do: Do not touch any objects or sides as it will decrease your speed. You should also not be closer to the other spinners if they are faster than yours. It will cost your life.
You may also try Spinz.io game that is a similar game.