Your sidearm is a weird flying robot in iO games unblocked servers. Play Sidearms.io unblocked game with 3D grahpics and have fun! Customization menu is pretty large and allowing you to set too many appearance options. Select game mode and choose an active game to join! After finding an available match, drop yourself onto battleground with a parachute. Team battle mode is easier for beginners due to lack of enemies.