Endless Mode
Finish the game on Hard difficulty.

New Characters (Monsters and Allies)
Finish Time Attack mode multiple times to unlock new characters or donate gems in story mode to the laboratory.

Time Attack Mode
Finish the game on Normal difficulty.

Unlock New Characters
Spend crystals between stages during the campaign or clear time attack. As data completion increases, new characters are unlocked.

Default - Enn
Default - Hyu
Default - Ray
#1 - Goblin
#2 - Dylan
#3 - Soldier
#4 - Cyclops
#5 - Goblin Tank
#6 - Sorcerer
#7 - Roper
#8 - Han
#9 - Heavy Gear
#10 - Gargoyle
#11 - Edo
#12 - Sky Knight
#13 - Valgar
#14 - Zur
#15 - Cerena
#16 - Nicole
#17 - Kanon