They are rare, and they are cheap...Rarity Guide says they are more than I listed...
Urban Strike: The Sequel to Jungle Strike (New In Box)
http://cgi.ebay.com/ws/eBayISAPI.dll...m=160518217885
Mortal Kombat III (Complete in Box)
http://cgi.ebay.com/Mortal-Kombat-3-...-/160518213753