Nope. I bought a game today (Fifa 14), and I got it in the plastic case to do as I pleased with.
If you ask for a price match, they put the games in that plastic lockbox, which you carry over to Guest Services.
They will tell you they can only do one price match per day and they cannot do it on a promotion like Buy 2 Get 1 Free.
So you might as well buy the games in Electronics if using a promotion
This must be a store-by-store policy then. My store and others around me always make the electronics team member walk the item up.