Slay.one is one of the most featured 2d shooting Io games that you should try. Discover a dark dungeon along with some people and you need to master how to use various weapons. Fight against your opponents and attempt to be the last standing man. While moving, you are recommended to keep an eye on everything and everyone in the surroundings in order to prevent them from hurting you. You can choose available objects or build a turret to block incoming projectiles. See if how long you can survive! Good luck!
How to play
Use WASD to move, LMB to shoot, the mouse wheel to switch weapons.