Hello are you a big fan off TF2 Casual??? Well here a link where you can know everthing about casual rank and XP http://steamcommunity.com/sharedfiles/fileddetails/?id730291735 Average People Class: Spy, Scout, Heavy, Engineer, Soilder Hardcore People Class: Spy, Sniper, Scout, Heavy, Soilder, Medic
Soldier is for hardcore players. While I never saw demo... Demo in my opinion is for having fun... or being serious...