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Marvel Ultimate Alliance 3 Update 4.0.1 Cheats (2026)

There is a specific reason to be careful with cheats in this update.

The "Epilogue" Save Corruption:
If you use a save editor to unlock the "Doom's Castle" Gauntlet nodes before beating the main story, the 4.0.1 patch cannot validate your progression. Several users on Reddit report that unlocking the God Emperor Doom skin via cheats triggers a "save corruption" error when entering the Shield Depot. Marvel Ultimate Alliance 3 Update 4.0.1 Cheats

Verdict: If you cheat, only cheat for currency, XP cubes, and ISO-8s. Never cheat to unlock story-gated Gauntlet nodes or DLC costumes that require specific Trial scores. There is a specific reason to be careful

A hidden debug menu exists in the 4.0.1 code but is disabled for retail. Modders have discovered that by changing system.cfg line 47 from debug=0 to debug=1, you unlock: A hidden debug menu exists in the 4

Update 4.0.1 was the final major update for MUA3. Many cheat developers focused on this version because:

However, Nintendo and Team Ninja never supported cheats, and using them disables online leaderboards or causes desyncs in co-op.

Even without external tools, Update 4.0.1 still contains a few "glitches" that the developers never patched. These function as de facto cheats.