This is a double post, but I'll answer here too so you can vote me twice
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You're in luck, it'll run many games well enough for you to enjoy. Skyrim, Valve games, SC2, etc. will all run on this card.
Scroll down on this link to see the performance for many popular games: http://www.notebookcheck.net/NVIDIA-GeForce-GT-720M.90247.0.html