Complete Chapter 9.

Received a gift from Andrea for being a dance superstar.

Complete all squat challenges.

Complete all Normal difficulty Whack-a-Box challenges.

Defeat a summon in battle.

Bypass the delta-level security lock in Mako Reactor 5.

Complete Chapter 5.

Max out a weapon's proficiency.

Complete Chapter 3.

Level up an orb of materia.

Complete a quest.

Complete Chapter 2.

Exploit an enemy's weakness.