Here is the full list of all 32 Final Exam achievements.
Complete all the missions in the game in "Rock hard" mode.
Score 400,000 points in a single game.
Score 300,000 points in a single game.
Get the gold in every mission.
Score 200,000 points in a single game.
Achieve a 25,000 point combo.
Achieve a 50,000 point combo.
Achieve a 100,000 point combo.
Complete a mission without taking a single hit.
Achieve a 10,000 point combo.
Kill 300 monsters with fire.
Win the golden glove on 4 missions.
Kill 500 monsters with the chainsaw.
Kill 2,500 monsters.
Kill 150 monsters with fire.
Find all weapons with the same character.
Kill 250 monsters with the chainsaw.
Exterminate 50 hordes.
Win the golden glove on one mission.
Complete a mission in 2 player local game mode.
Finish all the missions in the game.
Launch the 4 special skills specific to one character in a single mission.
Heal a character on the ground 10 times in multiplayer mode.
Kill 1,000 monsters.
Complete 4 missions in the game.
Kill 500 monsters.
Find 12 cans.
Exterminate 10 hordes.
Complete a mission in the game.
Complete an online multiplayer game.
Find a new weapon.
Exterminate 3 hordes.