Killer.io is a thrilling multiplayer game set during a chaotic Halloween party where stealth and cunning decide your fate. Your mission is clear—eliminate as many guests as possible without being caught. Blend in, strike at the right moment, and dispose of bodies to cover your tracks. With its eerie yet festive atmosphere, Killer.io delivers a mix of strategy, tension, and fun that will keep you hooked. Explore even more Free Online Games and put your stealth skills to the test.
Hide among partygoers, plan your attacks, and remain unnoticed while hunting your targets.
Spooky visuals and festive party settings add to the tension and excitement.
Every kill must be calculated—drag and hide bodies to avoid exposure.
Compete with players worldwide, each trying to become the top killer in the match.
The fun of Killer.io lies in its balance of risk and reward. Do you strike in the open and risk being seen, or wait patiently in the shadows? Every decision matters, and adapting your strategy is key to climbing the leaderboard.
🎮 Join a Match: Select your character and enter the party
🖱️ Target & Eliminate: Approach guests and strike when the timing is right
🗑️ Hide the Evidence: Drag bodies away to prevent detection
👀 Stay Vigilant: Watch for suspicious eyes and avoid being caught
🔪 Unique mix of stealth and survival mechanics
🏆 Competitive multiplayer experience with global players
🎮 Addictive, quick matches with high replay value
🎃 Perfect for fans of spooky, strategic fun
Yes, it’s part of our Free Online Games collection.
Yes! You can join matches with friends or compete against random players online.
Hide bodies quickly, blend in with the crowd, and time your kills carefully.
Yes. As matches progress, players become more vigilant, making stealth more difficult.
Check out more multiplayer games and strategic action games.