Danny Phantom: The Ultimate Enemy, a 2005 GBA action game by Altron and THQ, follows Danny as he battles his evil future self, Dan Phantom, to save Amity Park. Selling ~150,000 copies, it’s a 2025 retro hit.

The .gba ROM (~2.0 MB) features thrilling 16-bit action and a spooky soundtrack, running smoothly on emulators like VisualBoyAdvance, mGBA, or RetroArch on PC, Mac, or Android. Legally download Danny Phantom: The Ultimate Enemy GBA ROM by dumping your cartridge with GBxCart RW (~$50). Avoid illegal ROM sites due to malware and THQ’s copyright rules. Buy Danny Phantom cartridges (~$15–$50 in 2025 on eBay) for legal dumping or play on Analogue Pocket. Defeat Dan legally at Gigarom!