Metroid: Zero Mission, a 2004 GBA remake of the NES classic by Nintendo, follows Samus Aran on Zebes to stop Mother Brain. With updated visuals and new areas, it sold ~1.4 million copies, a 2025 X retro favorite (,).

The .gba ROM (~8 MB) features crisp 16-bit graphics and atmospheric music, running smoothly on emulators like VisualBoyAdvance, mGBA, or RetroArch on PC, Mac, or Android. Legally download Metroid: Zero Mission GBA ROM by dumping your cartridge with GBxCart RW (~$50,). Avoid illegal ROM sites like EmulatorGames.net due to malware and Nintendo’s copyright rules (). Buy Metroid cartridges (~$20–$60 in 2025 on eBay) for legal dumping or play on Analogue Pocket. Conquer Zebes legally at Gigarom!