What is black ops 1 ps4?

Black Ops 1 was originally released in 2010 for Xbox 360, PlayStation 3, and PC. It was not released on PS4 as it was released before the launch of the PS4 in 2013. However, the game can be played on the PS4 through backwards compatibility or by purchasing the game digitally on the PlayStation Store. The game is a first-person shooter set during the Cold War and features a campaign mode, multiplayer mode, and a zombie mode. It was developed by Treyarch and published by Activision.