You can play Geometry Dash in a99.io as unblocked.
Hordes.io is an online multiplayer 3D fantasy game in which your character flails around in an environment of your choosing and fight other scary characters by yourself or with your team.
You can play Combat Reloaded in a99.io as unblocked.
nibbly io is an online multiplayer game that the whole world can play. Compete against other monsters and collect them all
You can play Vex 2 in a99.io as unblocked.