In Metal Gear Solid 1 you play as Solid Snake, a genetically cloned super-soilder as he infiltrates Shadow Moses a remote military compound now under the control of terrorist super-cell unit called Foxhound. The terrorists all have super-powers because they were genetically enhanced with top secret nanomachines, Snake uses his own nanomachines to rescue Darpa chief but then master chiefs nanomachines make him have a heart attack. Then Ninja Gayden kills everyone and snake has to shoot at him so that he will reveal his true self

it turns out octogon was the ninja all the time, he reveals that he is a gay anime guy and he only built metal gear as part of his show-stopping cosplay.
*theyre gona put a dismantled nuclear missile into metal gears missile module ? - wrong they're using metal gear as peace-walker to nuclear strike its own self in order to reverse reality. By doing this they can create an infinite amount of metal gears and sell them all for one million dollars.

Then Solid Snake gets captured by Liquid…