Play Contra 4 online in your browser and enjoy with Emulator Games Online! Contra 4 is NDS game USA region version that you can play free on our site. This game has arcade, shooting, action genres for Nintendo DS console and is one of a series of Contra games. If you love Contra games you can also find other games on our site with Retro Games. Below you will find control for the emulator to play Contra 4.