Matt vs. Math is a fun brainteaser game in which you have to solve seemingly simple equations that are designed around the...
http://www.mathjong.com/
MaggieDev
https://gamebol.com/
http://mathventures.io/
Petraguard Software
http://www.thebestofflash.com/
https://gameforbreak.com
tom.maclean2
http://www.gameppoint.com/