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