News for hackers. Stuff that matters.
Re:Show HN: Math Attack – My side project of 3 years by hnal943 on Tuesday January 24, 2017 @04:48PM (#13475909)
Have you looked at Calculords? It's a similar type of game with an interesting IAP strategy of offering additional content.

https://play.google.com/store/apps/details?id=com.ninjacrime...

Re:Show HN: Math Attack – My side project of 3 years by Sanctor on Wednesday January 25, 2017 @03:20AM (#13479692)
I'm downloading this right now, will check it out.