kappie1977 on 19 March 2013
For every genre it's different but overall (RPG excluded):
Too short: Less than 6 hours
Short: 6-10 hours
Regular: 12-15 hours
Long: 15+ hours
If you take RPG in account:
Too short: less then 15 hours (except for some games which are only $ 5,-)
Short: 15 - 30 hours
Regular: 30 - 50 hours
Long: 50+ hours
