IN THIS GAME, YOU TRY TO WINGSUIT BASE JUMP DOWN INTO A SINKHOLE WHICH HAS EXTRAORDINARY DEPTH!
ALTHOUGH ITS OPENING IS WIDE, IT BECOMES NARROWER AND NARROWER. IT'S ABOUT SHOULDER WIDE AROUND THE BOTTOM.
WHAT A DEADLY CHALLENGE IT IS!!! --ONLY YOU HAVE TO DO IS TO PASS THROUGH 360 METERS. HERE WE GO!

- A DEFINITELY OLD SCHOOL COMPUTER GAME! IT IS INSPIRED BY A GAME PUBLISHED IN A BOOK WRITTEN BY HARUMI TAKAHASHI (A FAMOUS HIGH-SCHOOL GIRL AUTHOR AND GAME PROGRAMMER AT THE TIME--1983). SO, ITS ORIGIN IS MUCH EARLIER THAN THE FLAPPY BIRD.

- 1 coin per 1 play.
- You can get a coin by watching Ad. (mandatory the internet connection)
- Max 10 coins are storable.
- Coins are valid for 24 hours.

PICTURE CREDITS:
- horslips5 CC BY 2.0 https://creativecommons.org/licenses/by/2.0/
- Wingsuiting CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/