Play any type of Game at Y8.com. The biggest Game Collection to play free online. Flash, Unity 3D, Html5, Android, Java and Shockwave.
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
How quick can you work sums out? well give ‘Formula’ a try, it gives you the final answer and you have to quickly work a formula out that equals the figure. The grid starts to fill up the more you get right, and the bigger the numbers become.