"Marine Hearts" is a first-person 3D deep-sea omnidirectional bullet-hell shooter.
Players collect Marine Hearts while dodging attacks from marine creatures that come at them from all directions.

System.
Enemy attacks can be predicted by the Laser.
While the Laser is hitting, the controller vibrates and a warning sound alerts the player to the danger.
You rely on the Razor to dodge attacks from all directions.

And while you are stopped, time also stops.
This will help you keep track of attacks from all directions.