If you're into brainfuck and compilers, here's one that compiles BASIC into brainfuck and is written in java: <a href="http://esolangs.org/wiki/BFBASIC" rel="nofollow">http://esolangs.org/wiki/BFBASIC</a><p>It's advanced enough to compile things like text adventures.<p>I haven't been in #esolangs on freenode for a long time, but a few years ago there was talk of a brainfuck to C compiler floating around that was being actively developed. It as called bf2c.