Working Muscle Simulator Codes
Last updated August 21, 2026
No working codes right now
We're tracking Muscle Simulator and will list codes here the moment the developers release them. If you spot one first, send it our way below.
How to redeem codes in Muscle Simulator
- Launch Muscle Simulator on Roblox.
- Look for a Codes, Shop or settings button — usually on the side of the screen.
- Paste the code exactly as shown above. Codes are case-sensitive.
- Press redeem to claim your reward.
Codes expire without warning — if one fails, it was almost certainly pulled by the developer.
Found a code we're missing?
Submit it and we'll verify it before it goes live.
About Muscle Simulator
Welcome to Muscle Simulator! 💪 Train your body and grow stronger than everyone else! 🏋️ Unlock new Gyms and explore powerful workout areas! ⚔️ Fight other players and prove your strength! 🐾 Collect epic Pets that boost your power! 🔥 Learn new Moves and dominate with insane abilities! 🚀 Rebirth to gain huge multipliers! ✨ Invite your friends for a +10% Strength Boost! 🎁 Join Worklock x2 for free Auto Lift and Auto Open!