Rockman.EXE: Operate Shooting Star

Rockman.EXE: Operate Shooting Star is a port of the game Mega Man Battle Network that includes a few extras. The game was released only in Japan.

Anti-Piracy
The game has an anti-piracy system that makes the player unable to edit his Folder, so only the initial Battle Chips can be used. Also, at every single step in internet areas, a random battle from the local occurs, making it difficult to proceed as MegaMan will only moves inches between the battles.