You can play Pixel Factory Battle 3D.io in a99io.com as unblocked.
Play Painty io is a new IO game that lets you control a gun-like character trying to shoot all enemies. Remember to collect food, kill monsters for more XP and fuel
You can play Betrayal.io in a99.io as unblocked.
Wings.io is a 2D battle game that is conducted in the sky. In this game, you fly around your aircraft in the sky and gather crates of weapons, as well as consuming the flourescent balls. The main point of the game is to draw your guns and shoot every other enemy.
Battleboats.io is a multiplayer ship battling game that consists of team play and explosions. Specifically, the game is played by 10 players against 10 opponents. Players also have the option of changing their ships.