Complete the indicated task to unlock the achievement.

Achievement	How to unlock
100 Mutants Killed	100 Mutants Killed.
1000 Mutants Killed	1000 Mutants Killed.
5000 Mutants Killed	5000 Mutants Killed.
Afghaninstan Unlocked	Afghaninstan Unlocked.
Chernobyl Unlocked	Chernobyl Unlocked.
Final Mission	Final Mission.
First Blood	First Blood.
Landed on Second Earth	Landed on Second Earth.
Pripyat Unlocked	Pripyat Unlocked.
Ukraine Unlocked	Ukraine Unlocked.