Contra 4 (Nintendo DS)

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34 Lives Code

After starting a new game in arcade mode on the normal or hard difficulty setting, wait for the first level to start and then tap up, up, down, down, left, right, left, right on the touch screen. Then press B, A, and then tap the center of the touch screen. "Up" on the touch screen refers to the top of the screen, "down" refers to the bottom of the screen, and left and right refer to the left and right sides of the screen. This must be input before the chopper drops your character on the ground, so it must be done very quickly. If done correctly, you will start the game with 34 lives.

99 lives glitch

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.

Alternate Color for Unlockable Characters

To change colors on the unlockable characters first you must have unlocked Challenge Mode, then you must choose one of the unlockable characters. After that, enter any challenge that takes place in the Harvest Yard Stage. Simply enter and die, then go back to main screen and go into the Character Select Mode. If done correctly, the character will show an alternate color, you must select the character once again to gain access to the alternate color. If you want to go back to the original color simply slide through the character select menu to another character and go back, and youŽll see the original color, and then simply select the character.

Alternate colors

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

Alternate ending

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

Challenge mode

Successfully complete the game to unlock Challenge mode.

Challenge Mode Bonuses


BonusHow to unlock
Contra (NES)Beat 4 challenges in Challenge Mode
Contra 4 DS Promotional ComicsBeat 32 challenges in Challenge Mode
Contra III ComicBeat 24 challenges in challenge mode
Extras Museum and Sound GalloryBeat 40 challenges in Challenge Mode
Jimbo & SullyBeat 36 challenges in Challenge Mode
Lucia (Character)Beat 20 challenges in challenge mode
Nobuya Nakazato InterviewBeat 16 challenges in challenge mode
ProbotectorBeat 12 challenges in Challenge Mode
Sheena EtranziBeat 28 challenges in Challenge Mode
Super C (NES)Beat 8 challenges in Challenge Mode

Hard mode for Classic Contra

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.

Lucia

To unlock the character Lucia, complete twenty challenges in Challenge Mode.

NES Contra: 30 lives

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

New Armor Colors

If you have any unlockable characters and want them to have different armor colors than their default settings, try the following. On the character select screen, double-tab X, up, or down. This will change the character's armor colors. Then you can press A to select the armor color you want. This works only on unlockable characters.

Nobuya Nakazato Interview

If you want to hear an interview from series producer Nobuya Nakazato, fulfill at least sixteen challenges in Challenge Mode.

Upgraded weapons

Enter the Konami Code (Up, Up, Down, Down, Left, Right Left, Right, B, A, Start) in the pause menu to either upgrade your weapons fully when entered for the first time in the level or kill your character. It can only be used in Normal or Hard mode (Easy gives you full upgrades automatically).