Lexica - An open source word-search game.
Learn Anything - Search Interactive Maps to Learn Anything
Wordbase - Wordbase - the fun, addictive and challenging game of words and letters for iPhone!
Mindspace - Free learning platform with quick and simple crash courses.
Ruzzle - Ruzzle is a fun and fast-paced word game where you can challenge your friends or allow an opponent...
Knudge.me - Notification based micro learning platform