Jet set willy!

Yea its back! (For OSX)

God knows how but the developer has managed to grow the app to about 1.3 megs but heres the link

http://tc.versiontracker.com/product/redir/lid/488266/JetsetWilly.pkg.zip

I am still crap at it now, but this was amongst my favorites on the speccy along with head over heels (Also available in OSX) and R-Type