"Don't wait for an inspired ending to come to mind. Work your way to the ending and see what comes up."— Andy Weir
You must enter the button combinations quickly and precisely. The D-Pad presses are directional (Up, Down, Left, Right), and the buttons correspond to the GBA layout (A, B, L, R). The Big One: Unlock Everything Code For players who simply want to skip the grind and access all the content the game has to offer immediately, there is one master code. This is the most requested cheat for the title, and for good reason. It opens up the roster and stages instantly.
The year is 2007. The Teenage Mutant Ninja Turtles franchise was undergoing a massive resurgence. With a CGI feature film hitting theaters and a sleek new character design aesthetic, the turtles were back in the limelight. Naturally, video game adaptations followed on every console imaginable. While the console versions leaned into 3D brawling, the Game Boy Advance (GBA) version—titled simply TMNT —was a hidden gem. Developed by Ubisoft, it was a return to form: a 2D side-scrolling beat 'em up that felt like a spiritual successor to the classic arcade games and the beloved TMNT 3: Radical Rescue .
These codes are entered at the . You do not need to be in a paused game state; simply navigate to the title screen where you select Story Mode or Multiplayer.
However, like many GBA titles of that era, the game offered a stiff challenge. With limited lives, challenging boss fights, and hidden content scattered throughout the Story Mode, many players found themselves stuck. Whether you are a retro gamer revisiting the title on original hardware or using an emulator to relive the glory days, this guide covers every cheat code, unlockable, and secret you need to master TMNT 2007 on the Game Boy Advance. Before diving into the specific codes, it is important to understand the mechanics of the cheating system in this specific title. Unlike some games that require external devices like Action Replay or GameShark for significant alterations, TMNT 2007 on the GBA features a built-in cheat input system.