Not much to say about. Saves a map containing internal an external information about the level. The last part contain the information th- at the Converter.c reads, and processes. So, if you decide to change the graphics to the game, you have to keep these blocks. Check out the Converter.c source.
Small numbers are slow, and require less processor power.
So you could print out your favourite levels. The best thing is that the source supports all these features, me and P r just haven't had time to implement all that. If you'll get me encouraged enough, I might just write a much better version. Network support is ofcourse one of the top priorities,and should be fairly easy to write.