mutant cockroaches are freaks I have never seen something so disturbing yes there are many more things that are worse but i havent seen them thus they don't count my horrid tier list from worst thing i will/might encounter to thing i will never encounter: 1. mutant cockroaches 2. the massive fish creatures that spew acid in the sewers i just heard about 3. penguin scorpions 4. cannibal reaver dogs 5. frickin water spiders comment good repellant sprays