Wow. Summer is coming and going like a rocket this year. We are only a few days away from July's end and the start of August. However PC games will always be on sale during the weekend. Here are the latest examples:

• Impulse has a number of games on sale this weekend including Mirror's Edge for $9.99 and the Gratuitous Space Battles Complete bundle (the original game and all three expansions) for just $25.95.
• GamersGate has quite a few adventure games on sale this week including the first two seasons of Sam and Max for $11.98 each.
• EA's online store has put up a number of Command and Conquer games on sale this weekend for as much as 75 percent off.