the eye itself, the only other being Solid Snake, and is also the only one to not wear an eyepatch or similar technology regardless of the status of his eye (while Solid Snake didn't lose an eye or its sight, he nonetheless wore similar equipment to an eyepatch called the Solid Eye)....
Fire Field Rat Race, and one vehicle, there isn’t just to the multi-boot mode. In fact, this Fire Field course is only 3 laps long instead of 5 so players can finish the race in 1 minute. At least