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.
| # | Casting Name | Color | Tampo | Photo |
|---|---|---|---|---|
| 1/20 | Monoposto | Black | "Rhino Tank" | 
|
| 2/20 | Power Rocket | Red | "Buller Arton" | 
|
| 3/20 | Sinistra | Dark Grey | "Hyena" | 
|
| 4/20 | Ground FX | Metalflake Silver | "Centipede" | 
|
| 5/20 | Shadow Jet | Burgundy | "Hedgehog Roar" | 
|
| 6/20 | Speed Shark | White | 
| |
| 7/20 | Flashfire | Green | "Beetle Beam" | 
|
| 8/20 | Arachnorod | Metalflake Burgundy | "Spider" | 
|
| 9/20 | Maelstrom | Purple | "Mantis Slash" | 
|
| 10/20 | Hammered Coupe | Black | 
| |
| 11/20 | Open Road-ster | Light Blue | "Wolf" | 
|
| 12/20 | Wild Thing | Yellow | "Scorpion" | 
|
| 13/20 | Vulture Roadster | Yellow | "Vulture Racing" | 
|
| 14/20 | Sling Shot | Orange | "Eagle" | 
|
| 15/20 | Shredster | Magenta | "Vampire Bat" | 
|
| 16/20 | Sharkruiser | Black | 
| |
| 17/20 | Turbolence | Brown | "Unicorn" | 
|
| 18/20 | Side Draft | Beige | "Crocodile" | 
|
| 19/20 | Saltflat Racer | Dark Blue | "Swordfish" | 
|
| 20/20 | Deora | Metalflake Green | 
|