[2] The main difference between Uno Attack and the original Uno is that instead of drawing cards, players press a button on the card launcher, which shoots out a random number of cards at random times.
Uno Attack comes with a special mechanical card launcher that runs on 3 C batteries.
An electronic chime sounds, and a random number of cards shoot out.
There are times where the cards won't shoot out when you press the button.
In Uno Attack, there are a number of differences to the original card game.