You can play Gun Mayhem 2 in a99.io as unblocked.
Play StarJack io unblocked on a99.io.
BigHero.io is the hack n slash style game in which you control a character from a top-down view and must kill everything in sight. In this world its win or lose there is no other option so make sure you time your attacks accordingly to hit your enemies with your weapon before they hit you.
Snix io, Snix, Snix.io Unblocked at school
You can play YoHoHo io in a99.io as unblocked.