The demo features one single player mission entitled “Diplomatic Immunity.” The objective of the mission is to recapture a UN building being held by Habr Gadir militia.
Delta Teams 2 and 5 insert by helicopter and must locate and secure hostages before escorting them to a waiting convoy for extraction.

A new multiplayer map, playable over the NovaWorld Games Network and via LAN, will also be included featuring the Team Capture the Flag game type. Entitled “Bridge over the Jubba River,” the level is an open terrain map that has several bridges across the river and green rolling hills. To reach the enemy’s flags, players will need to cross the river by either securing one of the bridges or swimming across the water.

This Delta Force - Black Hawk Down demo includes both singleplayer and multiplayer gameplay.

Download it from Nvidia here -> http://www.nvidia.com/view.asp?IO=dl_deltaforce_bhd

OR

From the downloads area here on this site -> Black Hawk Down downloads