It's only 5 bucks for both and it gives you steam codes so you don't need to deal with any amazon software or anything like that. I haven't played them before so now is a great time to pick them up! Here's the link:
http://www.amazon.com/gp/aw/d/B0083W649I/ref=mp_s_a_1_1?qid=1369954757&sr=8-1&pi=SL75
http://www.amazon.com/gp/aw/d/B0083W649I/ref=mp_s_a_1_1?qid=1369954757&sr=8-1&pi=SL75
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