Mathwars (mathwars-risk) is an educational game based on R.I.S.K. You must defend and conquer new territories to defeat your opponents. In this case, though, you must do it by solving quickly simple math problems involving addition, subtraction and multiplication (division coming soon).
Mathwars is still under heavy development, so there are no installers for the moment. Anyway, you are welcome to download the source code.
Generally, I upload a new version of Mathwars Risk every one or two weeks, depending on how busy I am.
Also, you can take a look at the downloads page.
I also work on another project called Textpad Editor. Textpad is a simple and general-purpose text editor, it's idea is to be fast, simple and distraction-free. Textpad uses a standard interface, so when you need to get the job done, you won't waste time learning complex features.
Please note that Textpad is still under heavy development, so many features are still missing.