This was mentioned briefly once before , where it would be good to have the XP in the game mean something (not just in Career Mode). I find levelling up to unlock guns and attachments in Call Of Duty Multiplayer really gives the game more longevity... so implementing something like that would be awesome in AFL Evolution.
This could be done with various things, like having:-
- jumper unlocks (where licensing can be done) including
- historical p