Moby DX is enhanced version of The Lost Disks of Sam. Final game has four bonus power ups: speedup, inviunarability, enemy freeze and extra lives. It comprises 8 levels and runs at a solid 50fps. A couple of new (to SAM) enemy types, a better looking snake and rewritten bomb plus some other fancy touch ups here and there. Game was published on cover disk of issue 25 of Sam Revival.