Debug mode:
Jump off the ledge into the plants in level 1 and pause game play before Mowgli dies. Press B, A, Down, C, Right, A, B, Left, A, Right, Down, B, A, Left(2), C, Up, Right, Left.

Full recharge:
Pause game play and press Up(2), Down(2), Left, Right, Left, Right, B, A. Mowgli will yell "Yeah!" to confirm correct code entry. Mowgli's health, lives, weapons and timer will return to full.

Alternate screen color:
Pause game play and press A, B(2), A, C, A, B(2). Repeat this code to select the next color in the series.

Upside-down screen:
Pause game play and press Left, A, Right, Down, B, A, Left(2), C, Right, Up, Down. Note: The game will reset after this code is enabled.

Ten seconds remaining:
Pause game play and press A, B(2), A(2), B(2), A to set the clock to ten seconds.

Level skip:
Pause game play and press B, A(2), B(2), A(2), B, A.

Level select:
Pause game play and enter one of the following controller actions to start at the corresponding level.

Baloo
Press B, A, Left, Up(2).

Kaa
Press C, A(2), B, C, A(2).

King Louie
Press Left, Up, A, Left, Up, A.

Witch Doctor Monkeys
Press Right, A, Down, B, A, Down.

Shere Khan
Press A, C, A, C, A, C, A, C, B(4).

End
Press B, A, Down, C, A, Right, Left, A, Right, Down.

Auto-fire:
Select a weapon and press A + B + C. Mowgli will jump and keep shooting in the direction that he is facing.