Kill 10 infected
Kill 25 infected
Kill 100 infected
Kill 500 infected
Kill 1000 infected
Kill 5 Hunters
Kill 15 Hunters
Kill 50 Hunters
Kill 100 Hunters
Kill 250 Hunters
Kill 5 Behemoths
Kill 10 Behemoths
Kill 20 Behemoths
Kill 50 Behemoths
Kill 100 Behemoths
Kill 100 infected with the baseball bat
Kill 100 infected with the chainsaw
Kill 100 infected with headshots
Set 10 infected on fire
Set 25 infected on fire
Set 50 infected on fire
Set 100 infected on fire
Set 250 infected on fire
Make it to the Docks area in Normal difficulty
Make it to the City area in Normal difficulty
Make it to the Bridge in Normal difficulty
Make it to the Base area in Normal difficulty
Make it to the Airfield area in Normal difficulty
Make it to safety in Normal difficulty
Make it to the Docks area in Nightmare difficulty
Make it to the City area in Nightmare difficulty
Make it to the Bridge in Nightmare difficulty
Make it to the Base area in Nightmare difficulty
Make it to the Airfield area in Nightmare difficulty
Make it to safety in Nightmare difficulty
Collect all available weapons in Normal difficulty
Collect all available weapons in Nightmare difficulty
Collect all available gear in Normal difficulty
Collect all available gear in Nightmare difficulty
Construct 10 barricades
Construct 50 barricades
Construct 100 barricades
Construct 500 barricades
Construct 1000 barricades
Construct 10 razer-wire fences
Construct 25 razer-wire fences
Construct 50 razer-wire fences
Construct 100 razer-wire fences
Construct 250 razer-wire fences
Kill 5 infected with sentry guns
Kill 25 infected with sentry guns
Kill 50 infected with sentry guns
Kill 100 infected with sentry guns
Kill 250 infected with sentry guns
Survive a night
Survive 7 nights
Survive 28 nights
Survive a night without firing a weapon
Kill 5 civilians
Kill 25 civilians
Kill 50 civilians
Kill 100 civilians
Kill 250 civilians
Get to safety with less than 5 civilian casualities
Get to safety in less than 20 days
Kill 50 Gastank Shamblers
Kill 50 Hazmat Shamblers
Kill 50 Armoured Shamblers
Complete 25 Protect Civilians missions
Complete 25 Protect Medics missions
Complete 25 Supply Drop missions
Complete 10 Bank Vault missions
Complete 10 Graveyard missions
Complete 10 Gunstore missions
Complete 10 Firing Squad missions
Complete 10 Evacuate Civilians missions
Complete 10 Lumber Truck missions
Rescue 25 Buddies
Kill 100 enemy soldiers
Destroy 25 enemy tanks
Complete the Ferry mission on Normal difficulty
Complete the Ferry mission on Nightmare difficulty
Complete the Quarantine Wall mission on Normal difficulty
Complete the Quarantine Wall mission on Nightmare difficulty
Complete the Docks Checkpoint mission on Normal difficulty
Complete the Docks Checkpoint mission on Nightmare difficulty
Complete the Bridge Checkpoint mission on Normal difficulty
Complete the Bridge Checkpoint mission on Nightmare difficulty
Complete the Airfield Checkpoint mission on Normal difficulty
Complete the Airfield Checkpoint mission on Nightmare difficulty
Leave the Hospital in Normal difficulty
Leave the Hospital in Nightmare difficulty
Kill 100 Toxic Hunters
Kill 50 Toxic Behemoths
Kill 50 Armoured Hunters
Kill 25 Armoured Behemoths
Survive to Outbreak Level 2 in Survival Mode
Survive to Outbreak Level 10 in Survival Mode
Survive to Outbreak Level 20 in Survival Mode
Survive to Outbreak Level 30 in Survival Mode
Survive to Outbreak Level 40 in Survival Mode
Survive to Outbreak Level 50 in Survival Mode
Complete the Suburbs Mobile Lab mission
Complete the Docks Mobile Lab mission
Complete the City Mobile Lab mission
Complete the Base Mobile Lab mission
Complete the Airfield Mobile Lab mission
Craft 5 items
Craft 25 items
Craft 50 items
Craft 100 items
Craft 250 items