Phantom Breaker: Extra

Unlock Secret Characters:

When you complete the following tasks the corresponding character wil become unlocked (you need to win the match to earn stars to progress).

Kurisu (Steins;Gate):
Get over 15 stars total using Ende in Situation Battle mode.

L:
Get over 15 stars total using Shizuka in Situation Battle mode.

Rimi (Chaos;Head):
Get over 15 stars total using Gaito in Situation Battle mode.

White Mikoto:
Get over 15 stars total using Sophia in Situation Battle mode.