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Lt. Commander
Join Date: Dec 2007
Posts: 120
# 9
02-24-2012, 07:57 AM
Another idea: make key-tiers. What I mean is, sell keys for C100, C200, C500 etc. with increased chance. Say, C100 key has 0.001 chance, C200 0.005 chance, C500 0.01 chance etc.

Obviously, these are not optimized numbers, just came up with them for the sake of the example.

Common key, quality key, superior key, skeleton key etc.