Here is the full list of all 12 Double Dragon II: Wander of the Dragons achievements worth 400 gamerscore.
Successfully execute 5 power attacks in a row.
Defeat 150 enemies in survival mode.
Complete story mode in co-op.
Complete final stage on the Hard difficulty setting.
Complete the game on story mode.
Complete the game on story mode without using any special attacks.
Clear a stage with no health points left.
Find the Tree of Memories in the Field of Death.
Find Marian's necklace in the Heliport.
Clear any stage with a hit ratio 100:1(land 100 attacks for every hit you take) or higher.
Witness Marian's death in story mode
End 3 successive rounds in a draw in VS mode.