snow leopard on ext HDD
I'm running Mountain Lion on a 3 year old intel mac and have put Snow leopard on an external HDD to access apps that are no longer supported. Problem is things like Midnight Mansion The Haunted Hills only play in a tiny window even though I've selected full screen. MM isn't the only one though. When I was running SL exclusively everything was fine. What's wrong here? You're help much appreciated.
Mattchu
27" imac, Mac OS X (10.6.4)