Happy halloween, everyone! a strange creature has sneaked into a house and is about to kill everyone. click on the objects in the house to avoid it! unlock the 120 achievements to see what happens.
TagsHalloween Collections Action
kongregate - Happy halloween! play as a killing substance, ..
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dailygames - The house is haunted, but nobody knows it. ..
escapegames24 - Killing substance is a creepy point and click horror game ..
mostfungames - Play as a killing substance and kill everybody in the house.
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f512 - Killing substance is a funny game by belugerin ..
y8 - Happy halloween everyone! play as a killing substance, kill ..
gamesonly - Shoot zombies in ricochet kills space with a special gun ..
youthhighland.itch - Substance use - learn about substance use, hear from peers, ..
kongregate - This is a fan made tribute game, i wish to take no credit ..
silvergames - We are impostors: kill together is a fun addicting game ..
kongregate - Sequel to the popular santa kills zombies, the new santa ..
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