The Twin Snakes remake (right).

Because Metal Gear Solid: The Twin Snakes incorporates some gameplay elements from Metal Gear Solid 2: Sons of Liberty, such as First Person View, the battle against Ocelot is significantly easier than in the original, where the player has to find out where Ocelot was hiding and then use the sound source to shoot at him. Because of this, some fans, as well as a reviewer for the video game magazine Electronic Gaming Monthly, consider the boss fight to be ruined.

In the post-credits conversation with Solidus Snake in The Twin Snakes, Ocelot claims that he survived due to the FOXDIE vaccine. However, the Metal Gear Solid 4 Database states that it is unknown whether a vaccine even existed.

Metal Gear Solid 2: Sons of Liberty

Accordingto an interview with Yoji Shinkawa, Ocelot's missing right arm was originally to have been replaced by a mechanical prosthesis for Metal Gear Solid 2. However, it was later decided that Ocelot would instead possess a transplanted arm from Liquid Snake, due to latter's positive reception by fans of the previous game.[41] Originally, Ocelot was to have been unable to bend the fingers of his transplanted arm, but could do so whenever Liquid gained control of his body.

Ocelot's arm transplant was described as having been performed in Lyon, France, which was the location of the world's first hand transplant team. The first successful hand transplant was performed there on September 28, 1998, though the patient later had it amputated, after failing to follow the correct anti-rejection treatment and