Call of Duty: Black Ops is an online NDS game that you can play at Emulator Online. This free Nintendo DS game is the United States of America region version for the USA. Call of Duty: Black Ops is a single title from the many shooting games, arcade games and action games offered for this console. If you enjoyed playing this, then you can find similar games in the nds games category. Call of Duty: Black Ops game is from the various retro games on the site, and there are more games like this, including Yu-Gi-Oh! GX Spirit Caller, Call of Duty: World at War and Pokemon Black Version.