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
You can redeem the codes below in shop! 🎁Use code "FREE" for Strength Potion! 🎁Use code "SPIN" for Spin and Strength! Welcome to Muscle Simulator! 🏆Fight with others to get your position in leaderboard! 💪Train to get BIG! 🥚Hatch Eggs to increase Strength Multiplier! 🔥Rank up to be COOL and dominate other players! 🌎Unlock new worlds! 😊Play with your friends to get more boost! 😎+25% Strength for PREMIUM Players! ✨If you enjoy the game, don't forget to 👍 Like, ⭐ Favorite and 🔔 Follow!