Here is the full list of all 15 SHOCK TROOPERS achievements.
Use all the weapons
Throw 500 grenades (2nd weapon)
Complete the game in multiplayer (local or online)
Complete the game in "Team Battle"
Complete a stage with full life
Play with all characters
Complete the game in "Lonly Wolf"
Complete the game using less than 10 credits
Kill 1000 soldiers
Throw 100 grenades (2nd weapon)
Reach a score of 5 000 000
Kill 500 soldiers
Complete a stage without dying ( "Lonly Wolf" )
Complete the game dying more than 40 times
Pick up 500 power ups