Super Contra (X360)

Armory (15)
Collect 5 different weapon types.

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

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

Five Levels (30)
Complete level 5 in Single Player or Multi-Player mode.

Four Levels (20)
Complete level 4 in Single Player mode.

Good Score (20)
Reach level 2 with a score of 100,000 or more.

Good Start (10)
Complete level 1 in less than 3 minutes.

Master (35)
Complete the game using only 1 credit.

Shot Down (15)
Destroy the helicopter without dying once.

Team Players (10)
Score 300,000 points in an Xbox Live CO-OP game, while still alive.

Three Levels (15)
Complete level 3 in Single Player or Multi-Player mode.

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