Metal Slug Advance, a 2004 GBA run-and-gun shooter by Noise Factory and SNK Playmore, follows new recruits Walter and Tyra against the Rebel Army. With intense action and card-based upgrades, it sold ~500,000 copies, a 2025 X retro cult hit (,).

The .gba ROM (~16 MB) features vibrant 16-bit visuals and explosive audio, running smoothly on emulators like VisualBoyAdvance, mGBA, or RetroArch on PC, Mac, or Android. Legally download Metal Slug Advance GBA ROM by dumping your cartridge with GBxCart RW (~$50,). Avoid illegal ROM sites like EmulatorGames.net due to malware and SNK’s copyright rules (). Buy Metal Slug cartridges (~$20–$60 in 2025 on eBay) for legal dumping or play on Analogue Pocket. Fight the rebellion legally at Gigarom!