Assault Halloween CSO - Hostage Rescue. Map: CryptR. Texture & Models: Nexon. This map is simply a reskinned version of the famous Assault map, without any changes to pathways. 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!