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! Instructions: Arrow keys or Tap controls to move
Genre
Multiplayer
Provider
gamemonetize
Released
June 20, 2026
Mobile
Compatible
halloweenkillingkillescape
Achievements0 / 14
Bronze
First Launch
Play your very first game on PrismHub.
+25 XP
Bronze
Wishlist
Add a game to your favorites.
+25 XP
Bronze
Getting Started
Play 5 different games.
+25 XP
Silver
Gamer
Play 10 different games.
+50 XP
Silver
Game Collector
Play 25 different games.
+50 XP
Gold
Dedicated
Play 50 different games.
+100 XP
Platinum
Century
Play 100 different games.
+250 XP
Bronze
One Hour In
Play for a total of 1 hour.
+25 XP
Silver
Five Hours Strong
Play for a total of 5 hours.
+50 XP
Silver
Time Flies
Play for a total of 10 hours.
+50 XP
Gold
Hardcore
Play for a total of 50 hours.
+100 XP
Platinum
Legend
Play for a total of 100 hours.
+250 XP
Bronze
Curator
Add 5 games to your favorites.
+25 XP
Gold
Obsessed
Spend over 1 hour on a single game.
+100 XP
