***thats not right is it you cant do that?***
Technically, you need a minimum of THREE players, for the rules to work correctly. Otherwise, all the draw cards act like skip cards too, and the reverse cards are pointless.
As long as you have the right card to follow, as many as you want. Who delt him that insane hand?
The rules, as I know them, state you can only technically lay down 1 skip card at a time, but that's really no different than placing them all down at once.