Mugen is one of the most highly anticipated upcoming titles on Roblox. Inspired by the hit anime Demon Slayer, this experience brings the world of demon-hunting to life with familiar characters, fighting styles known as Breathing Techniques, iconic locations, and possibly even the terrifying demons from the series.

Developed by Pure Pure!, Mugen is currently in early access, available to select content creators, playtesters, and dedicated Discord members. If you’ve managed to join the early testers, you’ll also be able to redeem special in-game codes for extra rewards.

Check out the latest active Mugen codes and how to redeem them below.

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Mugen Codes (April 2025)

So far, the developers have released one active code:

• TESTING - 5 Lucky Spins + 10 Normal Spins

How to Redeem Codes in Mugen 

Although Mugen hasn’t launched publicly yet, the devs have already included a code redemption feature. Keep in mind that you’ll only be able to use codes if you have access to the game.

Follow these steps to redeem a code in Mugen:

1. Launch Mugen on Roblox.
2. Click the Codes button at the top-left corner of the screen, right next to the Characters button.
3. A prompt will appear in the center of the screen.
4. Type in the active code and press Enter.
5. Enjoy your rewards instantly.

What is Mugen on Roblox?

Mugen is a fast-paced battleground game inspired by Demon Slayer, which is known for its flashy animations and high-energy combat. It has earned praise from content creators for its realistic and vibrant anime-style visuals and gameplay, delivering an experience that feels like stepping into the anime itself.

Where to Find Mugen Updates

Even though the game is still unreleased, Mugen has already built a massive following. The official Mugen Discord server is the best place to get updates, connect with the community, and catch sneak peeks shared by the developers. The server currently boasts close to 300,000 members and continues to grow.