The first episode of Penny Arcade Adventures was the highest-grossing Xbox Live Arcade debut ever, earning $330,000 in its first three days, according to the stat-crunchers at VGChartz. The prior record-holder was Worms HD. In terms of units sold, On The Rain-Slick Precipice of Darkness was the third-highest performer… » 5/27/08 4:20pm 5/27/08 4:20pm