What you need to do is to constantly invent newer and more powerful submarines, and control them for underwater exploration.
There will be many seabed creatures underwater, constantly floating to attack your submarine. You need to manipulate your masterpiece, flexibly dodge the attacks of these creatures, and counterattack to destroy them.
Don't be fooled by their cute appearance, they are not easy to mess with.

Gameplay:
- Merge submarines of the same level to obtain higher-level submarines;
- Send submarines into the water to explore and defeat all enemies encountered;

feature:
- Various submarines are waiting for you to develop;
- Easy-to-learn game operation;
- Level design with reasonable difficulty;
- Cute and tough octopuses of various colors.

Come and get more and more powerful submarines to explore the unknown underwater world.