T&E Virtual Golf (JP) VS. GOLF (US), 1995
The fine print on the JP box points out that the image is a stereogram, or magic eye style image. So cool.
Speedball 2: Brutal Deluxe VS. Speedball 2: Brutal Deluxe VS. Speedball 2 VS. Speedball 2 VS. Speedball 2, 1990/92/2002
This is a late post from yesterday. This battle was recommended by Bennett Foddy.