Unlockable - Alternate ending | |
| Alternate Ending | Clear "A snake Tale" to unlock the M9, then use it to stun all the bosses instead of killing them. |
Unlockable - Unlockables | |
| Raiden X | Successfully complete 100% of the missions as Raiden and Ninja Raiden. |
| Tuxedo Snake | Get 100% with Snake and Pliskin to unlock Tuxedo Snake. |
| Ninja Raiden in VR Missions | Beat 50% of Raidens VR Missions to unlock Ninja Raiden in the VR Missions |
| Pliskin in VR Missions | Beat 50% of Solid Snakes VR Missions to unlock Pliskin in the VR Missions |
| MGS1 Snake in VR Missions | Complete 100% of Snake's, Pliskin's, and Tuxedo Snake's VR Missions. |
| Cast Theater | Beat the full game (Tanker and Plant) to unlock the casting theater |
| Boss Survival | Beat the full game (Tanker and Plant) to unlock boss survival mode |
| USP Suppressor | Complete the Tanker mission once in any difficulty, or the Tanker/Plant mission once in any difficulty and you unlock the USP Suppressor for the Tanker. It is on the crows nest where you get the thermal goggles, after the battle with Olga. |
| Photograph Mode | Successfully complete bomb disposal mode, hold up mode (alternative missions), and eliminate mode to unlock photograph mode in the Alternative Missions. |
| Sunglasses | After completing the game two times, Snake and Raiden will be wearing sunglasses. |
| Extreme & European Extreme | Beat the full game in any difficulty (Tanker and Plant) to unlock Extreme and European Extreme difficulty modes. |
| Digital Camera | Complete the "Sons of Liberty" game once |
| Bandana (Infinite Ammo) (Snake) | Complete the tanker chapter and collect all of the dog tags on any 2 difficulty levels. |
| Stealth Camo Suit (Snake) | Complete the tanker chapter and collect all of the dog tags on any 3 difficulty levels. |
| Stealth Camo Suit (Raiden) | Collect over 120 dog tags in total during the plant chapter and when replaying the plant chapter. |
| Brown Wig (Infinite Ammo) (Raiden) | Collect a total of 60 dog tags during the plant chapter and when replaying the plant chapter. |
| Blue Wig (Infinite 02 Gauge while underwater) (Raiden) | Collect a total of 160 dog tags during the plant chapter and when replaying the plant chapter. |
| Red Wig (Infinite Grip Gauge) (Raiden) | Collect every dog tag on every difficulty level during the plant chapter. |
| Raiden Title Screen | Complete the game once and Raiden will be featured on the title screen. |
| Metal Gear RAY Title Screen | Complete the game three times and Metal Gear RAY will be featured on the title screen. |
| Pantless Marines | Complete the tanker chapter and during the second play through, all of the marines in the hold will be pantless. |
| M9 For Snake Tales | Complete any Snake Tale and when you do it again you will have an M9 gun. |
| All missions unlocked | Insert the extra DVD disc and go to the demo of the VR missions. Complete a mission and save, then load the Substance disc and go to VR missions. |
| Unlimited oxygen (Plant) | Obtain 218 dog tags when playing the plant chapter |
| Unlimited grip (Plant) | Obtain 170 dog tags when playing the plant chapter |
| Stealth (Plant) | Obtain 121 dog tags when playing the plant chapter |
| Unlimited ammunition (Plant) | Obtain 73 dog tags when playing the plant chapter |
| Stealth (Tanker) | Obtain 76 dog tags when playing the tanker chapter |
| Unlimited ammunition (Tanker) | Obtain 46 dog tags when playing the tanker chapter |
Easter Egg - Parrot guard | |
| In the computer room of the CORE on SHELL 1 B2, the computer room, shoot E.E's parrot and it says the things a guard says, such as 'Possible Intruder, send backup' thats sort of thing | |
Easter Egg - Different V.R. theme | |
| If you use MGS1 Snake for theV.R. missions you will hear the V.R. theme from MGS1 | |
Easter Egg - Tuxedo Snake sneaking theme | |
| If you use Tuxedo Snake on the sneaking missions here will be a different theme | |
Easter Egg - Seagull shooting | |
| If you go outside during the plant chapter, you will see seagulls on most struts. If you shoot these seagulls, they will fall and die. If you shoot enough with a psg1 then rose will call you and tell you to stop shooting defenseless animals and she will call you "a sick freak". | |
Easter Egg - Yoji Shinkawa tag information | |
| When first playing as Raiden in the plant chapter, enter the name Yoji Shinkawa into the first node. It will automatically put in all of his statistics. | |
Easter Egg - Hideo Kojima Dog Tag Information | |
| When first playing as Raiden in the plant chapter, enter the name Hideo Hiojima into the first node. It will automatically put in all of his statistics. | |
Easter Egg - Ken Ogasawra dog tag info | |
| When first playing as Raiden in the plant chapter, enter the name Ken Ogasawra into the first node. It will automatically put in all of his statistics. | |
Easter Egg - The Shaver | |
| If you give snake the shaver at the start of the game, at the end he will be clean shaven. If you do not get the shaver then he will not be shaven at the end of the game. | |
Easter Egg - Snake/Raiden thoughts when on codec | |
| When you are listening to a codec call hold R1 and R2 and you can hear Snake/Raiden's thoughts | |
Password - All Mission Characters & Stages | |
| Unlock all Mission Characters and Stages | When you begin a new Mission file enter your name as UUDDLRLRBA |
Secret - Guy on toilet from MGS1 | |
| When you get to the Shell 1 Core and you're supposed to listen in on a conversation between Solidus and Ocelot, point the Directional Microphone over to the left near the stage and you should hear Johnny from MGS1 talk to himself. It has a hilarious ending. | |
Secret - More grip | |
| If you hang on a ledge and press L2 and R2 you will do a pull-up. If you do enough of these, your grip level will rise. The maximum is level 3. | |
Secret - Enhance Grip Level Easier | |
| You can enhance your grip level by doing 100 pull-ups on a ledge, or you can do 10 drop-and-cathes. To do a drop-and-catch, find two ledges which are parrelel to each other. Hang off the higher ledge, and press X, then repeatedly press Triangle. You should grab on the lower ledge. If you do this 10 times, you get an enhanced grip level. There are 3 total grip levels. Two ideal places to do this are the Tanker's Engine Room, and the Plant's Strut D. | |
Secret - Unlock all Characters for VR Missions | |
| If you are lucky enough to have The Document of Metal Gear Solid 2, complete all 5 VR Missions. Have this memory card inserted when you select VR Missions on the Substance disk, and you will have all 5 hidden characters unlocked from the get-go. You will have 00% for each character despite finishing the 5 VR Missions on TDoMGS2. | |
