Play NFL Games on Emulator Online. All the best NFL games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are many online NFL 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. NFL games that started it all back in the day are now playable within your browser! Start by playing some popular NFL online games like Madden NFL 07, Madden NFL 2004, Madden NFL 2003 and Madden NFL 2005.