Video gaymes

https://s3.amazonaws.com/ld48/PoC_source.zip

Notch created this game within 48 hours as part of the ludumdare.com competition. I'm actually amazed how clean and easily understandable the code is, despite it's in Java. What do you think?

I like my code readability somewhere between "Oh my god my eyes!" and "How the hell can it be possible that you can put a semicolon and a dot next to each other again?"