Play Simulation Games on Emulator Online. We have the best Simulation games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are over 308 online Simulation 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. Simulation games that started it all back in the day are now playable free within your browser! Start by playing some of our popular Simulation online games like Pokemon Fire Red Version, Grand Theft Auto Advance (GTA), Pokemon Ruby and Pokemon Sapphire Version.