JoyJoy is an action game in which you control a circle character with a variety of weapons. These weapons can fire bullets in various directions. During the game, you will need to direct your character to fend off waves of enemies. You can play this game in various modes, including the Waves mode and the Action mode.
In the Action mode, you will shoot enemies with various weapons and upgrade your ship. You can also choose to use multiple weapons and charge up Ultra Attack to unleash a wave of devastating offensive skills. There are several levels that you can complete, and you can even unlock new modes. This is an action-packed game that's sure to keep you entertained for hours.