Ah, it was work, but it’s more or less done.
Download here for windows. (2MB)
Download here for OSX 10.5 (2.3MB) (added 19th dec)
Permanent homepage is here.
I’ll have a mac version cobbled together within the week.
Used Allegro/C/The GIMP/FMod Ex/a microphone/audacity/milkytracker/sfxr/Dev-CPP. Used two samples from soundsnap.com.