AlexNisnevich/untrusted — pull request #274 by garzon (2014-06-15 16:27:27+00:00)
Title: Update 20_bossFight.md

Hello,
Here is my solution to the level 20.
I'd be very appreciated if you could merge it. :)
The game is really creative and interesting. And I really enjoy your game.
Sincerely,
garzon