Shack PSA: Steam Discounts Mass Effect 2, Red Faction Guerrilla and more

The Perils of Summer continue and, like clockwork, we continue to evade them, thanks in small part to Steam's ongoing sales. Today's highlights include Mass Effect 2 for 40% off, Shatter for $2.50 and the obligatory Torchlight price drop to $5.00.

For today, your complete options are:

As always, today's specific deals are only available for 24 hours; however, (nearly) the entire Steam catalog is being discounted during the promotion. The promotion concludes on July 4; otherwise known as the birthdate of freedom and explosions.