Create a sniper rifle

Use 2 or more energy drinks in a single turn with any number of survivors

Complete the game on easy difficulty

Complete the game on hard difficulty

Complete the game on normal difficulty

Complete the tutorial

Traverse your first split road

Traverse your second split road

Traverse your third split road

Traverse your fourth split road

Dismantle a door or window you barricaded

Combine two pistols

Save an ally from a crawler zombie

Hurt an ally 3 times

Heal an ally 5 times

Kill 4 zombies with one character in one turn

Move 8 tiles with one character in one round

Complete a level without taking any damage

Complete the game without buying perks

Kill 3 zombies with one shot

Produce 10 noise in one turn

Refuel a chainsaw

Use a silenced firearm

Use expired pills

Use expired pills 5 times