When Does the Novel "Metal Gear" (1990) Take Place?
"Metal Gear" is a spy science fiction novel written by Alexander Frost [adapting "Metal Gear" (1987) by Hideo Kojima] that released July 1990. So when is "Metal Gear" set? 
 
 It takes place on an alternate timeline of the fictional Metal Gear universe in the year:
It takes place on an alternate timeline of the fictional Metal Gear universe in the year: 
 
We know this because although a specific year is not mentioned in the novel, the work it's an adaptation of offers a specific option. The video game's sequels DO offer a fairly clear time setting for the narrative: 1995 AD or 1996 AD. Assuming a close adaptation, this is the best we can ascertain for the story.

1995 AD or 1996 AD
We know this because although a specific year is not mentioned in the novel, the work it's an adaptation of offers a specific option. The video game's sequels DO offer a fairly clear time setting for the narrative: 1995 AD or 1996 AD. Assuming a close adaptation, this is the best we can ascertain for the story.
It is a chronologically midway novel in the Metal Gear universe and can be read at its timeline point before "Metal Gear Solid" (2008). 

