It is in every player's best interest to advance through World Maps. Every regular (Standard or Elite) mission completed for the first time gives the player File:MSA currency Medal compressed.png 30, and boss missions at the end of every region give File:MSA currency Medal compressed.png 60. On top of that, every day at 0400 hours server time players are rewarded MSP via the Mailbox for the total number of stages cleared and not currently under attack (World Clear Reward) - File:MSD currency MSP.png 70,000 at most.