Mario Tennis: Power Tour, a 2005 GBA sports RPG by Camelot and Nintendo, blends tennis action with a story mode where you train at the Royal Tennis Academy to challenge Mario. Selling ~500,000 copies, it’s a 2025 X retro gem (,).

The .gba ROM (~8 MB) features vibrant 16-bit visuals and upbeat music, running smoothly on emulators like VisualBoyAdvance, mGBA, or RetroArch on PC, Mac, or Android. Legally download Mario Tennis: Power Tour 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 Mario Tennis cartridges (~$15–$50 in 2025 on eBay) for legal dumping or play on Analogue Pocket. Serve aces legally at Gigarom!