Nds | Decompiler
There is no in the magical sense. But there is a powerful, mature ecosystem of disassemblers , pseudo-C decompilers (Ghidra, IDA), and script extraction tools . If you are willing to spend weeks learning ARM assembly and the DS’s quirky hardware registers, you can reconstruct 90% of a game’s logic.
The flickering neon light of the "Second Chance" repair shop cast long, jagged shadows over Kaito’s workbench. In front of him lay a beat-up Nintendo DS nds decompiler