Alien Challenge © 1994 IGS Company, Limited. [International Game System].
A one-on-one fighting game from IGS. Eight selectable characters and one end boss.
Alien Challenge was released in December 1994.
This game is also known as "Huang Fei Hong".
* Play as Claus (the final boss) : On the character selection screen highlight Wong Fei Hung and press Right(x8), Left(x4) and Down(x4).