Eternal Champions: The Thin Strings of Fate

The game features a campaign starring Shadow Yamoto, one of the protagonists of Eternal Champions. It has several different features including:

* Alternative secret paths
* 4 endings in the main campaign
* 3 endings for extra modes
* 3 unlockable modes
* 5 unlockable characters

The game also features a rudimentary level up system, allowing the player to gain HP and MP, along with learning new combos and special skills.

Source: https://sergiokrauser3.blogspot.com