WordBrain is a word game acquired by Swedish game developer MAG Interactive and released through them on September 2014 for iOS, Android and Windows phone platforms.
The gameplay mechanic is based on finding one or several specific words on a puzzle grid and swiping over the scrambled letters to see words collapse.
The 680 levels available are grouped in packs of 35, starting with grid size from 2×2 and reaching 8×8 in the last packs. Players progress in the game by completing packs and unlocking more challenging levels.
WordBrain has over 30 million downloads to date, which averages about 10 million downloads a year