Kick 10 Ratz.
Continue playing to unlock this secret achievement.
Finish the episode without skipping any sequence.
Complete the game.
Make all possible combinations in the inventory.
Burn all roots of evil.
Burn half of the roots of evil.
Combine an empty taped bottle with a wick and an emergency flare.
Pierce a car gas tank and fill a bottle with the fuel.
Find a car key in the sun visor.
Kill 100 Humanz.
Build the most destructive weapon.
Beat the Museum Monster.
Burn a fissure.
Burn one of the Vampirz.
Combine a taped bottle filled with flammable content or a spray with a glowstick.
Bandage 5 deep bleeding wounds.
Take a bottle filled with flammable content or a spray and combine it with an adhesive.
Tape up a bottle.
Call all contacts in your address book.
Kill any Humanz with the 'spray + lighter' combination.
Kill 3 Humanz at once.
Burn a Ratz nest.
Shoot a goldfish.
Burn a cocoon.
Finish off a Humanz by shooting fire bullets at it's fissure.
Throw a bottle filled with flammable liquid and shoot it mid-air.
Insert a wick into a bottle with flammable content.
Make a fire bullet by pouring flammable liquid on it.
Drive at least 10 miles with a vehicle.
Hotwire a car.
Unlock a car door after breaking the window.