Some recent serious games auctions on eBay:

Serious Sam Collection Microsoft Xbox 360 *Factory Sealed! *Free Shipping!

$14.95
End Date: Monday Dec-18-2017 17:57:00 PST
Buy It Now for only: $14.95
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Serious Sam HD: The Second Encounter (PC, 2010)
$5.96
End Date: Monday Nov-27-2017 9:52:09 PST
Buy It Now for only: $5.96
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Serious Sam II 2 (Microsoft Xbox, 2005) COMPLETE
$0.55 (4 Bids)
End Date: Wednesday Nov-22-2017 19:30:02 PST
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