If you want to skip the grind and unlock all levels, characters, and power-ups, here are the three active methods:

If you’re on the free version (with ads and limited lives), purchasing the full game typically removes level locks and gives unlimited play. This is the closest thing to a real “unlock all” option.

The main story mode has multiple worlds. Each world unlocks after beating the previous one’s final boss level. This is how the game was designed to be played.

Collect enough stars by achieving high scores on levels to unlock special challenge stages. No code needed—just skill.