Here's a valuable lesson to remember while walking through the dilapidated halls of Portal 2's co-op mode: Your buddy is a handy and reusable shield to cower behind.

Video Blips:

• Robots Atlas and P-Body endure their own quirky suit-up process for Portal 2's co-op mode. I guess "molested by cold robotic arms" is the norm in a robot's morning rituals.

Continue after the break for the wicked C. Viper in Marvel vs. Capcom 3: Fate of Two Worlds, treasure hunting with a twist in Fallout: New Vegas, and the various targets to assimilate in Mindjack.

• C. Viper's ridiculous look belies her deadly combat prowess in Marvel vs. Capcom 3: Fate of Two Worlds. She's also a 20-year-old single mother. I'll leave it at that.

• Avoid exploding into oblivion by following the wishes of a mysterious artifact seeker in "Dead Money," Fallout: New Vegas' first downloadable content pack. At least you won't be woken up by a spiral-cheeked doll who taunts you to solve an arbitrary puzzle to spare your life.

• Robots, civilians, and even cyber-bonobos -- everything is fair game to control in Mindjack. Powersliding civilians don't make much sense...unless that's how they commute to work in the future or something.