You can play Merc Zone in a99.io as unblocked.
Play Slope unblocked on a99.io.
Play warzone tower defense unblocked on a99.io.
supersnake.io is a 2D game that all fidget spinners love. Basically, you get a fidget spinner that keeps turning around and with your mouse you are able to control the direction or rather the directions that your fidget spinner will lead towards.
gotia, gotio, gotaio