Dr. Steel is a Mercenary Schemer.
- He first attacks with 4 flying bombs that circle you, but only explode for damage when you run into them.
- He can summon 4 more bombs before the first group disappears.
- He fires a blaster weapon.
- Try not to run into the revolving bombs.
- If you break his allies (including two Robo Artillery units), then it's easier to stay in place and break Dr. Steel.