Among.io is an online single-player shooter game where players can select from a range of weapons and items which they can use to survive against waves of continuous enemy AI opponents. The overall objective of Among.io is to survive as long as you can, complete different objectives, and try to get the most points in the game. This game has a unique blend of tactical and strategic elements that makes it engaging and challenging. Players can select classes, customize their weapons, and gain power-ups to increase their chances of survival.