Isometric Game Art Pack - Extensive library of game art for indie devs
Cool Math Endless Run - Cool Math Endless Run is a monster math game and an endless run adventure.
Sketch This - Daily drawing challenges
MathIsFun Times Table - Learn Your Multiplication Tables
IsometricSass - Make isometric 2D objects without Javascript
Bounty Matics - Math can be fun and Bounty Matics proves it - you play as a bounty hunter that must win duels.