Assault

Assault is a hostage rescue map featured in Counter-Strike, Counter-Strike: Source, and Counter-Strike: Global Offensive.

Counter-Terrorists must rescue hostages captured and put into a warehouse by a group of Terrorists. Despite being included in Counter-Strike and Counter-Strike: Source, both versions are noteworthy for their extreme differences. Counter-Strike: Source brought forth a very realistic approach, as well as excluding the Security cameras. Besides taking away the cameras, one of the major changes was the replacement of the highway with the train station. Some players got frustrated with the new changes, however, they are still present in Counter-Strike: Global Offensive. Even so, Assault is still one of the most popular maps in all Counter-Strike series.

Official description:

Counter-Terrorists: Rescue the hostages. Take out the terrorists without jeopardizing the hostages. The terrorists may be watching you with their cameras.

Terrorists: Prevent counter-terrorist force from rescuing the hostages. Use whatever force needed.

Other notes: There are 4 hostages in the mission. Rescue them!