Similarites to Metal Gear Solid

Some of the plot elements and set pieces in Metal Gear 2: Solid Snake that were later used again in its sequel Metal Gear Solid include:
The game opening with a cliff-side open environment before moving inside to a tank-storage room with an elevator.

Master McDonnel Miller giving advice on improving one's health and professional life.

The frequency 140.15 for a female accomplice of Solid Snake.

Saving a hostage who appears on radar. In addition, the first hostage of the game is a disguised member of the terrorist faction.

Meeting a disguised female contact in a women's washroom.

Helpful messages from an anonymous source via the radio claiming to be a fan of Snake.

The return of a major character from the former game decked out as a ninja.

A chase up a spiral staircase with soldiers in pursuit.

An ambush by four attackers in an elevator.

A fight with a soldier wearing stealth camouflage.

A battle with a Hind D chopper using Stinger missiles.

An unarmed hand-to-hand showdown between Solid Snake and Gray Fox.
Having to look at the back of the game package to learn an important radio frequency.

Having to change the temperature of an object to turn it into a key.

After destroying the Metal Gear of the game, then having a hand-to-hand fight with the pilot.

Having to heat up frozen rations before eating them.
The use of the line "It's not over yet, Snake" stated by Big Boss, later to be said again by Liquid Snake.

An ally from the previous game, betrays Snake.

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