CheatCodes.com has all the official Thunderbirds GBA cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 25, 2013 for Thunderbirds are shown below.
Level 2 BCD Level 3 THM Level 4 H3D Level 5 2DF Hoverbike Level Jeff, Island, Virgil, Jeff End Sequence FAB1, FAB1, Penny, Virgil Level 1-1 Tin-Tin, Island, Hood, Jeff Level 1-2 Scott, Thunderbird 5, Hood, Jeff Level 1-3 Parker, Virgil, Mole, Mole Level 1-4 Tin-Tin, Penny, Island, Alan Level 1-5 Kyrano, FAB2, Island, Thunderbird 4 Level 2-1 Alan, FAB1, Brains, John Level 2-2 Thunderbird 3, Thunderbird 5, John, Kyrano Level 2-3 Tin-Tin, Brains, FAB1, Brains Level 2-4 Parker, Hood, Kyrano, Thunderbird 5 Level 2-5 John, Thunderbird 2, Scott, FAB2 Level 3-1 Thunderbird 4, Thunderbird 5, Brains, Parker Level 3-2 Hood, FAB1, Mole, Thunderbird 4 Level 3-3 Gordon, Thunderbird 1, Virgil, Hood Level 3-4 Gordon, Penny, Alan, Brains Level 4-1 Mole, Jeff Thunderbird 5, Scott Level 4-2 Virgil, Island, John FAB1 Level 4-3 Alan, Parker, FAB1, FAB2 Level 4-4 Thunderbird 3, Parker, FAB2, Penny Level 5-1 Jeff, FAB1, Kyrano, Tin-Tin Penny Level 5-2 Jeff, Penny, Thunderbird 1 Level 5-3 Kyrano, Gordon, John, John Level 5-4 Virgil, Thunderbird 3, Thunderbird 2, Mole Level 5-5 Thunderbird 4, Gordon, Brains, Brains Level 6-1 Island, Thunderbird 5, Penny, Tin-Tin Level 6-2 Thunderbird 3, Thunderbird 3, Parker, Alan Level 6-3 Gordon, Gordon, FAB2, FAB1 Level 7-1 Mole, Brains, Tin-Tin, Thunderbird 1 Level 7-2 Island, John, Brains, Alan Level 7-3 Alan, Alan, Island, Penny Level 7-4 Penny, Kyrano, Alan Thunderbird 1 Level 7-5 Thunderbird 2, Thunderbird 4, Island, Thunderbird 4 Level 7-6 FAB2, Thunderbird 2, Hood, Virgil Level 8-1 Tin-Tin, Hood, Thunderbird 5, John Level 8-2 Scott, Thunderbird 4, Scott, Thunderbird 4 Level 8-3 Gordon, Scott, Thunderbird 3, Thunderbird 1 Level 8-4 Hood, Thunderbird 5, Kyrano, Hood Level 8-5 Thunderbird 5, Mole, Thunderbird 3, Jeff Level 8-6 Scott, Thunderbird 5, Scott, Mole Level 9-1 Thunderbird 2, Scott, Jeff, Virgil Level 9-2 Gordon, Thunderbird 1, Scott Mission 1, Level 2 Scott Tracy, Thunderbird 5, The Evil Hood, Jeff Tracy Mission 1, Level 3 Tin-Tin, Lady Penelope, Tracy Island, Alan Tracy
Parker, Alan, Thunderbird 4, Thunderbird 2
Thunderbird 2, Mole, Jeff, Gordon
Enter the password then start the first level and die. You'll be taken to the Bonus Hoverbike Level.
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