Killer.io

About Killer.io

Kill and hide bodies in this fun online murder game. Try to kill as many people at the Halloween party as possible. Try not to get caught!

Killer.io details

Category

Multiplayer games

Platform

Web browser (HTML5)

Controls

Keyboard, Touch

Price

Free to play

Players

Two players or more

Added

September 4, 2026

Tags & genres

• Escape
• Halloween
• Kill
• Killing

Frequently asked questions

How do you play Killer.io?

Arrow keys or Tap controls to move

Is Killer.io free to play?

Yes. Killer.io is free to play on PlayyZone, with no payment, no account and no download.

What kind of game is Killer.io?

Killer.io is a multiplayer game. It is tagged escape, halloween, kill, killing.

Can I play Killer.io on a phone?

Yes. Killer.io lists touch controls, so it can be played in a mobile browser as well as on a desktop.

Do I need to download or install Killer.io?

No. Killer.io is an HTML5 browser game — it loads and runs in the tab you are already in, on a laptop, a phone or a tablet.