Metal Gear: Ghost Babel is a Game Boy Color spinoff of the popular stealth action game Metal Gear Solid. This is not a port of said game but an original game made specifically for the Game Boy Color. Metal Gear: Ghost Babel is a non-canon game that serves as an alternate sequel to the events of the original Metal Gear.

Early 21st century. An incident of unprecedented magnitude sends shockwaves trhough the highest levels of the U.S. Government: A prototype bipedal armored vehicle, Metal Gear, has been seized along with its nuclear payload by an armed group. In a radical response to ths crisis situation, the government calls in Solid Snake, the master saboteur who singlehandedly brought down the fortress state of Outer Heaven seven years ago.