Metal Gear Solid just mixes real world history with behind the scenes events that influenced things. Nothing overarchingly bad, detail wise... that's another story.
Gears of War is the real answer.
These creatures called Locust come out from the earth and no one had any idea they were there?
Then humanity reaches a point where they expect to lose, so they try to destroy their planet with satellite lasers... and they fail at doing that.
After trying to seppuku they then decide to fight back? And one of their best ideas was to sink the last intact city on the planet, which ended up mutating their enemy because goo.
Gears of War is the real answer.
These creatures called Locust come out from the earth and no one had any idea they were there?
Then humanity reaches a point where they expect to lose, so they try to destroy their planet with satellite lasers... and they fail at doing that.
After trying to seppuku they then decide to fight back? And one of their best ideas was to sink the last intact city on the planet, which ended up mutating their enemy because goo.