Kill 10 creatures

Kill 100 creatures

Kill 1000 creatures

Kill 5000 creatures

Kill 10000 creatures

Kill 15000 creatures

Finish the map Hospital

Finish the map Suburb

Finish the map Police Station

Finish the map Sewer

Finish the map Mall

Finish the map Laboratory - Secret Entrance

Finish the map Laboratory

Finish all missions in easy

Finish all missions in normal

Finish all missions in hard

Finish all missions in insane

Bonus multiplier reached 10

Bonus multiplier reached 50

Bonus multiplier reached 100

Bonus multiplier reached 200

Finish a mission in difficulty hard without being killed

Purchase all weapons in the campaign

Pickup 100 moneypacks

Finish a mission within time limit

Find one newspaper

Find five different newspapers

Find 12 different newspapers

Find all newspapers