Click on the question mark (?) on main menu to learn how to play Goons.io unblocked at the school easily. Then type a nickname for saving your stats in iO games servers. Customize the only available skin with your color. Unlock new skins by activating social accounts. There are capture-the-flag, classic and team modes to be selected by the player, you. Start with team mode which is actually the easiest one in these 3 options. Classic mode… Well, it’s classic mode. All players try to kill other ones just to have a higher place in leader board. Kill as many as players you can to increase your stats, scores and position in your server.