The only time I've heard about two mouse pointers at the same time is the Amiga version of the game Lemmings. It had a two-player mode with a split screen, and

The only time I've heard about two mouse pointers at the same time is the Amiga version of the game Lemmings. It had a two-player mode with a split screen, and each player had a mouse which would control the cursor on his side of the screen.