Q:

When is the winning condition checked in Fluxx?

New Rule "Draw 4" is in play.
One opponent changes the Goal to "10 cards in hand".
I have six cards in my hand. It's my turn and I draw four cards.
I contend that the game is now over, as I have met the winning condition. (I don't have any Creepers.)
Another opponent says "no, you have to finish your turn".
Who is correct?
I don't see how he can be right. For one thing you can win on someone else's turn assuming you have the winning combo.

A:

You won.
From the Fluxx rules:

Winning the Game
The game continues until one player meets the conditions of the current Goal. That player wins immediately, regardless of whose turn it is.

The word 'immediately' doesn't match with what your opponent was trying to tell you.

