Gen Fu You must complete Eliot's Story Mode. Leon You must complete Zack's Story Mode. Ein You must complete Hitomi's Story Mode. Helena You must complete the Story Modes of all initially available characters. SPARTAN-458 You must complete Helena's Story Mode. Tengu You must complete the Time Attach Modes of all the other 21 characters. Biolab Core Completing Story Mode once will unlock the Biolab core Stage. Nassau The Nassau Station stage will become available when the SPARTAN-458 character is unlocked. Tatami Complete the story mode for all 17 characters. Unlock all hidden costumes for all 21 costumes. Unlock the system voice for all 22 characters. Note this stage is already available in Sparring mode -- this unlocks the stage for other modes. Movie Theatre Mode Beat story mode once. System Voices Complete a character's Exercise session in Sparring Mode. You can then go choose the voice heard during matches in the Settings menu. Alpha-152's System Voice Unlock the System voices for all 21 characters (Ein doesn't have one).