Play Shoot em up Games on Emulator Online. All the best Shoot em up games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are many online Shoot em up 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. Shoot em up games that started it all back in the day are now playable within your browser!