Sealunker

Board a submarine and collect the hidden treasures sleeping on the ocean floor.
Beat dangerous creatures while you look for lost ruins!

The download of this app is free.
You can use some purchasable items, but you can also enjoy this app for free until the end.

[How to Play]
The controls are easy!
Use the red pad in the lower left corner of the screen to control the submarine.
Detect attacking creatures on the sonar and attack them with torpedoes!
Sonar detection and torpedoes will be automatically triggered according to your equipment level.

By expanding your option slots, you will be able to use different kinds of optional equipment.
After expanding the option slots, you can switch equipment trigger it using the option console in the lower right corner.

The game will be over if you use up all of your submarine's fuel.
Upgrade your equipment and look look for ocean treasures even longer and deeper.
What awaits you in the depths of the ocean is...

[update]
var1.1.5
Change the design of the icon.
The Fix the bug of some issues.

var1.1.4
The Fix the bug of some issues.

var1.1.3
The Fix the bug of some issues.

var1.1.2
The added a traditional chinese localization.

var1.1.1
The Fix the bug of some issues.

var1.1.0
The Fix the bug of some issues.
The added a new stage.

var1.0.5
The Fix the bug of touch mode.

var1.0.4
The added a operation mode change button.