First Flight – Send 1 helicopter (50 Points)
Kill ‘Em All – Kill your first zombie horde (50 Points)
Defender of Civilians – Rescue 10 civilians (50 Points)
Supply Run – Collect 10 supplies (50 Points)
Prepared – Reach 5 level (50 Points)
Marksman – Get 50 headshots (50 Points)
Mad Bomber – Blow up 10 zombies with barrels (50 Points)
Shots Fired – Fire 500 rounds (50 Points)
Barrage of Bullets – Fire 1,000 rounds (50 Points)
Destructive Discharge – Fire 5,000 rounds (50 Points)
Surgical Precision – Kill running zombie with headshot (50 Points)
Intern – Heal civilian 5 times with a MedGun (50 Points)
Addicted – Get 7 daily bonuses in a row (50 Points)
Routine Success – Complete 25 missions (50 Points)
The Great Hope – Score a total of 1,000 across all missions (50 Points)
Butcher – Kill 500 zombies (100 Points)
Zombie Contract Killer – Kill 5,000 zombies (150 Points)
Slayer of zombies – Kill 20,000 zombies (200 Points)
Excutioner of the Zombies – Kill 50,000 zombies (300 Points)
Shotgun Master – Kill 500 zombies with a shotgun (100 Points)
SMG Master – Kill 500 zombies with an SMG (100 Points)
Revolver Master – Kill 500 zombies with a revolver (100 Points)
Rifle Master – Kill 500 zombies with a sniper rifle (100 Points)
Sentinel – Rescue 100 civilians (100 Points)
Protector of Humanity – Rescue 1,000 civilians (250 Points)
Grenade Master – Kill 500 zombies with a grenade launcher (100 Points)
Big Supplies – Collect 100 supplies (100 Points)
Air Supply – Collect 1,000 supplies (250 Points)
Mass Escape – Send 10 helicopters (100 Points)
Head to the Chopper – Send 100 helicopters (200 Points)
Next Stop, Survival – Send 1,000 helicopters (300 Points)
Ranger – Reach 10 level (100 Points)
Dead Shot – Reach 15 level (150 Points)
Master of Arms – Reach 20 level (200 Points)
Call me, Shooter – Reach 25 level (250 Points)
Deadeye – Get 100 headshots (100 Points)
Sharpshooter – Get 500 headshots (150 Points)
Elite Sniper – Get 2,000 headshots (200 Points)
Bomber Expert – Blow up 50 zombies with barrels (100 Points)
Bomber Master – Blow up 500 zombies with barrels (150 Points)
Theory of Kaboom – Blow up 2,000 zombies with barrels (200 Points)
Nurse – Heal civilian 50 times with a MedGun (100 Points)
Medic – Heal civilian 500 times with a MedGun (150 Points)
Surgeon – Heal civilian 500 times with a MedGun (200 Points)
Light Armed – Buy 5 weapons (100 Points)
Armed and Ready – Buy 12 weapons (200 Points)
Armed and dangerous – Buy 20 weapons (300 Points)
Dead Aim – Get 100 heashots with a revolver (100 Points)
Century Mission – Complete 100 missions (100 Points)
Hardcore Player – Complete 250 missions (150 Points)
Welcome to the Club – Complete 500 missions (250 Points)
Zombie Hunter – Achieve Zombie Hunter Status (50 Points)
Zombie Killer – Achieve Zombie Killer Status (100 Points)
Zombie Smasher – Achieve Zombie Smasher Status (150 Points)
Zombie Slasher – Achieve Zombie Slasher Status (150 Points)
Zombie Slayer – Achieve Zombie Slayer Status (200 Points)
Zombie Executioner – Achieve Zombie Executioner Status (250 Points)
Legendary Survivor – Score a total of 10,000 across all missions (150 Points)
The Ultimate Hero – Score a total of 100,000 across all missions (250 Points)
Pretty difficult achievements, which add up to the challenge. And I am sure we are all up for it!