Codes cheats for Contra 4

Contra 4 - Game cheats, tips and tricks for Nintendo DS

Challenge mode:
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Successfully complete the game to unlock Challenge mode.

Alternate colors:
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Successfully complete the game. Press Up or Down at the character selection
screen to choose an alternate color.

Alternate ending:
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Successfully complete the game under the Normal or Hard difficulty setting.

NES Contra: 30 lives:
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Press Up(2), Down(2), Left, Right, Left, Right, Y, B, Start before the
demonstration begins at the title screen.

Upgraded weapons:
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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, it has no effect under the
Easy difficulty setting.

99 lives glitch:
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This glitch will allow you to obtain 99 lives. In order for this to work, you
must have zero lives left, and die at the same time you get an extra life. The
best way to do this is by killing the mini boss of level 1 because that usually
gets you an extra life. Get hit by one of the fireballs it drops down on you the
instant you destroy it.

Hard mode for Classic Contra:
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Same as the real classic Contra in NES, once you beat the game, you'll start
over with hard mode. More enemies, more bullets flying around.