Enter the following codes at the 'Password' screen if you want to play a certain level without having to go through the game to reach it.

Unlock Level 1:
Enter the code 1985

Unlock Level 2:
Enter the code 3698

Unlock Level 3
Enter the code 0257

Unlock Level 4
Enter the code 3745

Unlock Level 5
Enter the code 7551

Unlock Level 6
Enter the code 8790

Unlock Level 7:
Enter the code 5196

Unlock Level 8:
Enter the code 4569

Unlock Level 9:
Enter the code 8091

Unlock Level 10:
Enter the code 8316

Unlock Level 11:
Enter the code 6402

Unlock Level 12:
Enter the code 9874

Unlock Level 13:
Enter the code 1930

Unlock Level 14:
Enter the code 2623

Unlock Level 15:
Enter the code 6385

Unlock Level 16:
Enter the code 7749

Unlock Level 17:
Enter the code 3278

Unlock Level 18:
Enter the code 1039

Unlock Level 19:
Enter the code 9002

Unlock Level 20:
Enter the code 2878

Unlock Level 21:
Enter the code 3894

Unlock Level 22:
Enter the code 4913

Unlock Level 23:
Enter the code 2825

Unlock Level 24:
Enter the code 7406

Unlock Level 25:
Enter the code 5289