The Mutant Biotronic Kingdom set was released in 2004 and contains 20 Hot Wheels cars featuring exclusive creature designs. Production was limited to 5,000 sets.

• Monoposto
• Power Rocket
• Sinistra
• Ground FX
• Shadow Jet
• Speed Shark
• Flashfire
• Arachnorod
• Maelstrom
• Hammered Coupe
• Open Road-ster
• Wild Thing
• Vulture Roadster
• Sling Shot
• Shredster
• Sharkruiser
• Turbolence
• Side Draft
• Saltflat Racer
• Deora