Welcome to SIMMER 2.0!

We just rewrote the entire site and relaunched on Feb 15, 2025.

Need the old site? https://legacy.simmer.io

Need help? Got feedback or found a bug? support@simmer.io, discord

-Rocco, simmer.io founder
Knife.io
You're gonna need guts and steel! This is sword mayhem. Be the biggest knife in the game. Collect blades and knifes and spin and slay your enemies. Get ready to slice and dice.
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