| Unlockable | How to Unlock |
| All is Forgiven (68 pts) | Complete Level 13 |
| Bite me! (64 pts) | Complete Level 12 |
| Clean Sweep (50 pts) | Complete a Level without taking damage |
| Cowabunga Carl Getaway (32 pts) | Complete Level 4 |
| Family Unit (15 pts) | Do a co-op move combination attack |
| Foot trail (48 pts) | Complete Level 8 |
| Get your first coin (15 pts) | Get your first coin |
| Mystical Jungle (20 pts) | Complete Level 1 |
| Ninja Tag Time (40 pts) | Complete Level 6 |
| Ninjas in the crypt (72 pts) | Complete Level 14 |
| O brother where art thou (60 pts) | Complete Level 11 |
| Spirit of the Forest (36 pts) | Complete Level 5 |
| Techno Ninjutsu (28 pts) | Complete Level 3 |
| The Game is the Foot (44 pts) | Complete Level 7 |
| The Mysterious Leader (76 pts) | Complete Level 15 |
| Tower Power (52 pts) | Complete Level 9 |
| Used Dons special move (30 pts) | Use Don’s Special Move |
| Used Leos special move (30 pts) | Use Leo’s Special Move |
| Used Mikes special move (30 pts) | Use Mike’s Special Move |
| Used Raphs special move (30 pts) | Use Ralph’s Special Move |
| Vigilantism (24 pts) | Complete Level 2 |
| When the slime comes (56 pts) | Complete Level 10 |
| Winter’s Secret (80 pts) | Complete Level 16 |
Thanks to Jumbo Cheats
To unlock the following, insert the passwords on the main menu (where campaigns can be selected, et cetera)…
G1 Jazz Skin – Left, Up, Down, Down, Left, Up, Right
G1 Megatron Skin – Down, Left, Left, Down, Right, Right, Up
G1 Optimus Prime Skin – Down, Right, Left, Up, Down, Down, Left
G1 Starscream Skin – Right, Down, Left, Left, Down, Up, Up
No Vehicles, Military, or Police – Right, Left, Right, Left, Right, Left, Right
Robovision Optimus Prime Skin – Down, Down, Up, Up, Right, Right, Right
Unlock All Missions – Down, Up, Left, Right, Right, Right, Up, Down
Unlock both Cybertron Missions – Right, Up, Up, Down, Right, Left, Left
Unlock Unlimited Ammo – Up, Down, Left, Right, Up, Up, Down
Unlock Unlimited Health (Invincibility) – Left, Left, Up, Left, Right, Down
Unlockable: Character Skin
G1 Jazz – Complete all sub-missions (both campaigns)
G1 Megatron – Acquire all Decepticon icons
G1 Optimus Prime – Acquire all Autobot icons
G1 Starscream – Finish the Decepticon campaign
Robovision Optimus Prime – Finish the Autobot campaign
Unlockable: All Missions
To unlock all missions for both the Autobots and Decepticons, insert the following code at the game’s main menu (where the campaign options are listed, et cetera): Down, Up, Left, Right, Right, Right, Up, Down.