Play NBA Games on Emulator Online. All the best NBA games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are many online NBA games in the collection. All of the games that you see here are without download, pick any and start playing right away. If you enjoy the game, be sure to vote for it and leave a comment. NBA games that started it all back in the day are now playable within your browser! Start by playing some popular NBA online games like NBA Live 2000, NBA Jam, Dragonball GT: Final Bout and NBA Jam Tournament Edition.