Perils of Summer Sale on Steam - Dragon Age, BioShock, Thief

Valve has added more goodies to its Perils of Summer Sale, with one-day-only savings on some really nice titles.

Here's the list:

• BioShock - 75 percent off - $4.99/£3.49
• Dragon Age: Origins - 40 percent off the regular and deluxe editions as well as Awakening
• GTA: San Andreas - 75 percent off - $3.74/£2.49
• Madballs in Babo:Invasion - 80 percent off - $1.99/£1.39
• Star Wars Galaxies: The Complete Online Adventures - 75 percent off - $4.99/£3.74
• The Misadventures of P.B. Winterbottom - 50 percent off - $2.49/£1.99
• Thief: Deadly Shadows - 85 percent off - $2.99/£2.09
• Titan Quest: Gold - 75 percent off - $4.99/£2.49
• Tropico 3: Steam Special Edition - 75 percent off $7.49/£4.99
• X3: Gold - 66 percent off - $10.19/£10.19

You've got around 21 hours left, so hurry.

Click here to see what you missed out on yesterday.