I'm worthless :(

What can I program to test myself? I need something challenging to check whether I really am worthless or not.

Thanks /prog/.

>>11
I think I read recently that C programs can be compiled into Flash just like ActionScript can, which means they would use the same VM. It might then be possible to write something similar for SpiderMonkey/Tracemonkey, and then compile a VM onto the JS VM, then run it in the browser.