Most popular serious games eBay auctions:

Serious Games for Business : Using Gamification to Fully Engage Customers,...

$34.95
End Date: Friday Oct-27-2017 5:02:37 PDT
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Verb T - Serious Games (NEW CD)
$14.16
End Date: Thursday Nov-9-2017 2:41:11 PST
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Serious Sam (Microsoft Xbox) NEW SEALED Y-FOLD W/UPC, GEM MINT GOLD VGA 95!
$189.99
End Date: Wednesday Nov-1-2017 13:46:05 PDT
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