SUM IDEA app for iPhone and iPad
Slide numbers to match patterns - not as easy as it looks!
140 puzzles to win, can YOU beat Professor Addkins?
A great brain game suitable for young and old.
The entire game is FREE to play, and contains in-app purchases* for non-essential boosters and early unlocks.
*** Previously featured in the App Stores Best New Games ***
"Charming throughout...has that Layton-esque quality to it" (4 stars) - 148Apps.com
“Simply put, SUM IDEA is an ingenious and seamless number puzzle game that will surely put your mind through its paces.” (9/10) - geekntech.com
*In-app purchases can be disabled within the Settings App on your device under Settings > General > Restrictions