The Twin Snakes features graphical improvements over the original, new cutscenes written and directed by Ryuhei Kitamura, and gameplay functions originally introduced in Metal Gear Solid 2: Sons of Liberty. The game also includes a revised translation with re-recorded voice acting using all of the original English voice cast. Hideo Kojima and Shigeru Miyamoto oversaw development of the game. It was also intended to allow the player to play Metal Gear Solid as it was meant to be played