Kettō Transformers Beast Wars: Beast Senshi Saikyō Ketteisen (1999)
The main feature of the game includes elements similar to that of the Street Fighter series with basic moves and special attacks. Characters are presented in scaled down SD form. Since this is a Transformers game players have the ability to transform from robot to beast at will. Depending on the player will determine the special attack. Akin to the Dragon Ball Z fighting game series player will have the ability to build their ki by holding down certain buttons. (wikipedia.org)
Platform: GameBoy Color
AKA: Dueling Transformers Beast Wars: Strongest Beast Warrior Finals
Developer: Transformer Production Company Inc.