From its beginnings in 1987, Metal Gear has gone through a huge number of changes, but there are some aspects of the game that have remained constant throughout. Snake is always performing a stealth mission, and he always has back-up – even if they can't be there with him on the field. In this video feature, we're taking a look at how the games have evolved and changed over its nearly 30 years, but has still managed to somehow retain its core gameplay hooks.
