Successfully complete the indicated task to unlock the corresponding achievement.

Achievement	How to unlock
Are you a criminal?	You just killed an innocent civilian. Why? (Secret)
Assault missions expert	You finished with success 10 assault missions. Well done!
Boss killing missions expert	You finished with success 10 boss missions. Well done!
Crusher boss extermination	You killed more than 50 crusher bosses. Good job Eradicator!
Definitely you are a criminal	So you like to kill innocent people? It's up to you.
Do you like to be a monster?	So you always wanted to have your own zombies horde?
Extermination missions expert	You finished with success 10 extermination missions. Well done!
Hero of humanity	OMG you saved the region 5 times. You are a hero. Good job!
Laboratory rat	You used more than 100 antidotes on you. Maybe you should go for a medical check up.
Melee zombies extermination	You killed more than 1000 melee zombies. Good job Eradicator!
Ranged zombies extermination	You killed more than 500 ranged zombies. Good job Eradicator!
Rescue missions expert	You finished with success 10 rescue missions. Well done!
Spitter boss extermination	You killed more than 50 spitter bosses. Good job Eradicator!
Spring Cleaning Has Begun	You killed your first zombie. Feels good isn't it? (Secret)
Well, it is useless...	(Secret)
You are better than Mother Teresa	You used tons of your antidotes on infected civilians. Even during the zombie outbreak you did not lost your humanity. Great job!
You are dead!	The region is lost. Well done loser...
You are not that bad	You used one of your antidotes on an infected civilian. He will loves you forever. Good job (Secret)
You are one of them	(Secret)
You are saved!	You have finished the campaign! Now go and be the best in Survival mode.
Zombie dogs extermination	You killed more than 100 zombie dogs. Good job Eradicator!