The longest title for a game in the fighting genre is Bakumatsu Roman Dai Ni Maku: Gekka no Kenshi – Tsuki ni Saku Hana, Chiri Yuku Hana (SNK, 1998) which is an impressive 67 charactes without spaces.

Featured in Guinness World Records Gamers Edition 2011

The name translates to “Romance of the Bakumatsu Act II: Swordsman of the Moonlight – On the Moon a Flower Blooming, a Petal Falling.”