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