Contra 4 / Contra - Dual Spirits

Upgraded weapons

Pause game play, then press Up(2), Down(2), Left, Right, Left, Right, B, A, Start to fully upgrade all your weapons. Note: This code can only be done once per level, as repeating it will cause death. Also, you must have an upgradeable weapon to avoid the death effect. Using the code has no benefit under the Easy difficulty setting.

34 lives

Start a new game in Arcade mode under the Normal or Hard difficulty setting. Tap the touchscreen at the following locations as soon as level 1 begins: top edge twice, bottom edge twice, left edge, right edge, left edge, right edge. Then, press B, A, and tap the center of the touch screen. Note: This must be completed before the helicopter drops your character on the ground.

NES Contra: 30 lives

Press Up(2), Down(2), Left, Right, Left, Right, Y, B, Start before the demonstration begins at the Contra title screen.

NES Super C 10 lives

Press Right, Left, Down, Up, B, Y at the Super C title screen.

Challenge mode

Successfully complete the game to unlock Challenge mode.

Challenge mode bonuses

Complete the indicated number of challenges to unlock the corresponding bonus.

NES Contra: 4 challenges

NES Super C: 8 challenges

Probotector character: 12 challenges

Nobuya Nakazato interview: 16 challenges

Lucia character: 20 challenges

Contra 3 comic: 24 challenges

Sheena Etranzi: 28 challenges

Jimbo and Sully from Contra 3: The Alien Wars: 36 challenges

Sound Test option: 40 challenges

Alternate colors

Successfully complete the game. Press Up(2), Down(2), or X(2) at the character selection screen to choose one of three alternate colors.

Alternate ending

Successfully complete the game under the Normal or Hard difficulty setting.

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