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