Play Run & Gun Games on Emulator Online. All the best Run & Gun games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are many online Run & Gun 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. Run & Gun games that started it all back in the day are now playable within your browser! Start by playing some popular Run & Gun online games like Contra, Contra 3: The Alien Wars, Sunset Riders and Contra: Hard Corps.