Tex Murphy adventure games are 30% off this weekend at GOG.com. YoudaGames.com has permanently dropped the prices on all its games to between $5.95 and $9.95. It has also introduced discounted Game Packs, such as the Build-a-Lot Pack (Build-a-lot 1 through 4 for $24.95). Zylom has dropped the prices of Can You See What I See, The Great Chocolate Chase, The Hidden Object Show, and Zeal until Oct. 14. Cake Mania: Back to the Bakery (aka Cake Mania 2) is just $2.99 at Reflexive.