Practical /prog/ramming

What are some practical things to program? I am in the midst of making an RPG, but I am just curious as to what /prog/ does in their spare time.

You can post practical or impractical programming, I don't care.

>>16
Actually, because quality of a person is a continuous variable:
Pr(at average) = 0
Pr(above average) = 0.5
Pr(below average) = 0.5

A typical representative sample might look like:
A,C,C,C,A,C,A,A,C,A,C,C,A,A,C,A,A,C,A,C,...