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