Super Contra - Cheat mode

Super Contra - Cheat mode
Cheat mode:
Highlight "Arcade Game" and press A. The next screen will have two options "Begin Game" or "Exit". At this screen, press Up2, Down2, Left, Right, Left, Right, B, A, B, A. The game will begin when you press the last A. Your lives will display as "4", but you will have 30, and your gun will always be the missiles in rapid fire mode. Note: You cannot earn achievements or rank in the leaderboards when this code is enabled.

Achievements:
Complete the following achievements to unlock Xbox Live Gamerscore points.

Good Start 10 points: Complete level 1 in less than 3 minutes.

Two Levels 10 points: Complete level 2 while playing an Xbox Live CO-OP game.

Three Levels 15 points: Complete level 3 in Single Player or Multi-Player mode.

Four Levels 20 points: Complete level 4 in Single Player mode.

Five Levels 30 points: Complete level 5 in Single Player or Multi-Player mode.

Armory 15 points: Collect 5 different weapon types.

Good Score 10 points: Reach level 2 with a score of 100,000 or more.

Team Players 20 points: Score 300,000 points in an Xbox Live CO-OP game, while still alive.

Shot Down 15 points: Destroy the helicopter without dying once.

Elite Soldiers 10 points: Both players possess a Spread Gun at the same time at some point in the game.

Endurance 10 points: Both players must complete level 1 without losing lives in an Xbox Live CO-OP game.

Master 35 points: Complete the game using only 1 credit.