Originally Posted by DrBong
Are you talking about Worms or Worms 2 on the PC (can't say I'm familiar with Worms United)?
Worms 1. Worms United is Worms 1 + the Worms Reinforcements add-on.
I don't think I ever played the original PC version of Worms 1, so I don't know if the features I mentioned came with the add-on or where there originally.