Not quite. They used the technical multiplayer environment, but you can play them single player.
Is there any real motivation to play them in single player though?
Not quite. They used the technical multiplayer environment, but you can play them single player.
If I remember correctly these additions are not single maps but add ins into the base game so you have additional quests essentially.Is there any real motivation to play them in single player though?
Tainted Blood FAQs
F: I can't find the Add-On.
A: The Add-On "Tainted Blood" is only available in the multiplayer part but can be played alone.
F: How do i start a map from the Add-On?
A: Login into one of the multiplayer servers, press F12, choose a map from the mission window which begins with [DC1] or [DC3], click on '*Create' and when the connection window appears press F12 again.
Now a map from the Add-On starts.
F: Can i play the Add-On offline too?
A: No