Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Best...Alternate...Ever! ( 10 points )	Unlock Mileena's 3rd Alternate Costume.
Brotherhood of Shadow ( 20 points )	Discover and fight Hidden Kombatant 4 in Arcade Ladder.
Cold Fusion ( 20 points )	Unlock Hidden Fighter "Cyber Sub-Zero".
Complet-ality ( 10 points )	Perform 1 of each type of "-ality".
Finish Him? ( 10 points )	Perform any fighter's hidden finishing move.
Hide and Seek ( 10 points )	Discover and fight Hidden Kombatant 2 in Arcade Ladder.
Pit Master ( 10 points )	Discover and fight Hidden Kombatant 3 in Arcade Ladder.
Quan-Tease ( 20 points )	Unlock Hidden Fighter "Quan Chi".
Ultimate Humiliation ( 20 points )	Perform every fighter's hidden finishing move.
You Found Me! ( 10 points )	Discover and fight Hidden Kombatant 1 in Arcade Ladder.