Is it a treasure that you found in the lost of sea? Or ...


Shin-tan is a deep-submergence vehicle robot.
He is small ,but he is good at swimming.
He is proud of himself diving deeply in any sea.

Shin-tan swims in the deep sea today,too.
To get the treasure in the bottom of the sea is his goal.
He goes to the bottom of the sea with a lot of friends.

They move in the sea, then one of Shin-tan found a cave.
He keeps on moving in the cave, in order to be the first finding the treasure.
Shin-tan was getting lost while he was moving on a narrow cave.
Before he knew it, his antenna is broken, and he doesn't know where he is.

When he got separated from his friends and wandered in the dark sea, Shin-tan met a Flapjack octopus "Menta-kun".
Shin-tan decided to go with "Menta-kun" to "the sea where humans are" in order to return to his friends.

◆How to play
Aiming to "the sea where humans are",let's get moving to the adventure beyond the sea !
Let's complete the shape of puzzle that Shinkaizoku likes and find the clue to the next sea.

◇The game is three easy steps.
① Let's find the Shinkaizoku!
② Challenge the Shinkaiysuku puzzle you found!
③ The story goes on when you completed the puzzle!

◇Human's lost property
In the sea, there are lots of "human's lost property" besides the treasure.
If you get all the lost things ...!?

When the story progresses you will get a nice badge as a title!
There might be rare badges that you can get along with Shinkaizoku and that you can get if you complete the puzzles!?

◆To parents
●This game is offline content.
We will not connected to the Internet to play the game after downloading.
And also there isn't unnecessary advertisement at all, so your child can play safely.

●Intellectual training by puzzle
By touching colors and shapes, children can have a rich curiosity and imagination.
Moreover, children can use "number" through the game such as counting the number of puzzles.

What’s New

Version 1.0.4

bug fix.


Arowana Co.Ltd.
239.3 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad and iPod touch.


English, Japanese, Thai

Age Rating
₱ 49.00


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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