Accomplish the indicated task to get Gamerscore points:

2x Multiplier: Get a 2x multiplier. 
4x Multiplier: Get a 4x multiplier. 
Adventure Mode Completed: Successfully complete level 89 in Adventure mode. 
Black Belt Grandmaster: Successfully complete all levels in Adventure mode on 
the Black Belt difficulty. 
Tally Mode Completed: Successfully complete level 89 in Tally mode. 
Black Belt: Reach the Black Belt difficulty. 
Blue Belt: Reach the Blue Belt difficulty. 
Brown Belt: Reach the Brown Belt difficulty. 
Green Belt: Reach the Green Belt difficulty. 
Orange Belt: Reach the Orange Belt difficulty. 
Purple Belt: Reach the Purple Belt difficulty. 
Yellow Belt: Reach the Yellow Belt difficulty.