Working Muscle Universe Codes (1)
Last updated August 21, 2026
| Code | Reward | Works? | |
|---|---|---|---|
RELEASENew | in game rewards | Did it work? |
How to redeem codes in Muscle Universe
- Launch Muscle Universe 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 Universe
Welcome to Muscle Universe! 🌌💪 Blast off in Roblox's ultimate space-themed bodybuilding simulator! Train across the galaxy, ASCEND beyond your limits, and become the strongest lifter in the universe. 🚀 Can you go from rookie to cosmic LEGEND? Here's how: 🏋️ Powerlift & Train to build insane muscle & strength 🌌 ASCEND to multiply your gains and unlock new power 🐾 Hatch & Collect powerful Pets to boost your progress 🕶️ Equip rare Accessories to flex your style & stats 🥊 Fight other players and prove who's strongest 🗿 Gain OP Aura's to dominate! 🏆 Climb the global Leaderboards and dominate the rankings BECOME THE STRONGEST IN THE UNIVERSE! 🌟 🎁 USE CODE "Release" for in game rewards! ☁️ This game is still in active development — new gyms, pets, and features are always on the way. Found a bug? Let us know so we can keep Muscle Universe growing! ❤️ Like the game and join our group to support us and unlock special in-game rewards! 🖥️ Play on Desktop, Mobile, & Tablet