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
bladez.io
Good with sword fights? Do you got what it takes to survive in a free-for-all arena with other swordsmen coming after you? Customize your avatar's skin, hair color, and hair style. You'll be given a small blade and your goal is to use your mouse to move your avatar and eliminate other swordsmen while protecting yourself from attacks. Once you land a hit, your blade gets BIGGER. Collect grains scattered onto the battlefield so that you can use a speed boost (by clicking) to catch your opponent by surprise. So get ready to be the baddest swords player this io game (and beyond) has ever seen!!
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