Play Adventure Games on Emulator Online. We have the best Adventure games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are over 1,725 online Adventure games in our 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. Adventure games that started it all back in the day are now playable free within your browser! Start by playing some of our popular Adventure online games like Super Mario World, Pokemon X and Y, New Super Mario Bros. and Pokemon Fire Red Version.