Peggle.extreme(gamingbeast.com).zip(gamingbeast... Link

Released in 2007 as a free, specialized tie-in for Valve’s The Orange Box , Peggle Extreme combines PopCap Games' signature pachinko-style gameplay with iconic themes from Half-Life and Portal . The game features 10 themed levels, five unique challenges, and remains available as a free download through legitimate sources like Steam . Peggle Extreme on Steam