Similarities between games

The following is a list of Similarities between games in the Metal Gear series. Similar to the Star Wars series of films, the games often have recurring themes, visual motifs and plot devices. Please note that this is a work in progress.

General Recurring Elements

 * Codec Frequencies. Although slightly obvious, Codec Frequencies in each game are sometimes shared among similar characters.
 * 140.85 is used for the lead characters commanding officer.
 * 141.80 is used for someone whom the lead character looks up to as a mentor or idolizes.
 * 140.48 is used by the Cyborg Ninja's in Metal Gear Solid and Metal Gear Solid 2.
 * 140.15 for a female accomplice in Metal Gear 2 and Metal Gear Solid.
 * A battle with an aircraft of some sort, often using Stinger missiles. In Metal Gear, Metal Gear 2 and Metal Gear Solid this was a Hind D chopper. In Metal Gear Solid 2 it was a Harrier Jumpjet.
 * The return of a major character from a former game decked out as a ninja. First used in Metal Gear 2 with Kyle Schneider, then Metal Gear Solid with Gray Fox and finally in Metal Gear Solid 4 with Raiden.
 * The lead character being captured, and in some cases, tortured.
 * In Metal Gear, Solid Snake needs to be captured in order to locate Gray Fox.
 * In Metal Gear Solid, Snake is captured by Sniper Wolf and then tortured by Ocelot.
 * In Metal Gear Solid 2, Raiden is captured by Olga. He's then "tortured" by Solidus Snake. The capture turns out to be a way for Snake to infiltrate Arsenal Gear
 * In Metal Gear Solid 3, Naked Snake is captured and tortured by Volgin.
 * In Metal Gear Solid: Portable Ops, Naked Snake begins the game in a cell and is tortured by Cunningham. He is later captured again.
 * The use of the line "It's not over yet". Originally said by Big Boss in Metal Gear 2, later to be said again by Liquid Snake in Metal Gear Solid and Volgin in Metal Gear Solid 3.

Similarities Between Metal Gear 2 and Metal Gear Solid

 * The game opening with a cliff-side open environment before moving inside to a tank-storage room with an elevator.
 * Master Miller giving advice on improving one's health and professional life.
 * 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.
 * 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.
 * 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.