CheatCodes.com has the complete list of all Super Contra Achievements and Gamerscores for X360, including all secret Achievements. All official X360 achievements for Super Contra as of Wednesday July 30, 2014 are shown below, or you can print out our Printable Achievements Checklist that shows all Super Contra Achievements and Gamerscores in a simple quick-reference format.
Complete level 1 in less than 3 minutes.
Complete level 2 while playing an Xbox Live CO-OP game.
Complete level 3 in Single Player or Multi-Player mode.
Complete level 4 in Single Player mode.
Complete level 5 in Single Player or Multi-Player mode.
Collect 5 different weapon types.
Reach level 2 with a score of 100,000 or more.
Score 300,000 points in an Xbox Live CO-OP game, while still alive.
Destroy the helicopter without dying once.
Both players possess a Spread Gun at the same time at some point in the game.
Both players must complete level 1 without losing lives in an Xbox Live CO-OP game.
Complete the game using only 1 credit.