Killer.io is a horror classic io game. You become a maniac and your job is to destroy all of the people on the map. Enter a scary adventure free online and face a lot of enemies from around the world. Play Killer.io unblocked you need to defend yourself and survive as long as possible. In addition to attacking others, you must evade everybody. Especially, you should follow the guide to be the top murder. Do not get caught or you will lose right away! Upgrades will allow you to delve deeper into the challenge. Good luck!
How to play
Use Arrow keys to move around