★ TouchArcade needs your help. Click here to support us on Patreon.
App description: ****This is the first chapter of the Big Explorer series.

****The aged engineer Carl decides to make the best use of his rest of life to realize his dream - to be an explorer. Then, he carries his toolkit to head for the legendary historical remains. However, his little granddaughter follows him secretly. This is their first stop - the mysterious gate full of numbers and runes. There is no beast or trap, only a book of mystery. Only those who have extraordinary wisdom and mathematical thinking can conquer all the challenges in the book. This will be the first step to be a big explorer.


****Hundreds of free levels.
****Three game modes.
****Hundreds of levels are added by IAP.


****Line-mode of great interests.
****Add-mode of more mathematical thinking.
****Grade-mode that is more challenging than the Add-mode.

****More explorations for historical remains are coming.

****Hope you will like our games.