Katuo Bomb is a freeware arcade game from Ikiki in which you play as a diver out at sea looking for underwater robots to destroy. You do this by grabbing hold of a fish and guiding them towards a robot, causing both of them to collide and explode into tiny bits of fish meat and metal plates.

Players can use the left shift key to grab on to any fish, release the button to let go of them, or press the left control key to swim at a slower pace. More robot types are introduced as time passes, eventually leading to a boss fight before the cycle repeats with harder enemies to contend with.

You can download Katuo Bomb from Ikiki's repository of released games here. (first link, ver 1.03, dated 11/01/23 and 11/01/24)