Metal Gear Solid 2: Sons of Liberty PlayStation 2 Unlockables

Alternate title screen.

Beat the game once and the title screen will change.

Boss Survival & Others (PAL Only)

After completing the Full Game(Tanker & Plant) you can unlock some special features, but only in the PAL version of Metal Gear Solid 2: Sons of Liberty.

• Complete the game once(Tanker & Plant)
  Boss Survival
• Complete the game once(Tanker & Plant)
  Demo Theater
• Complete the game once(Tanker & Plant)
  European Extreme

Digital Camera

Beat the game and load the same game. you should have the camera in your inventory

Extreme Difficulty Mode

Beat the game once and the Extreme difficulty level will be unlocked.

Special Unlockables

• Beat the game. Select Tanker. Get over 30 dog tags.
  Bandana (gives you infinite ammo)
• Collect all the dog tags.
  Blue Wig (gives you infinite 02)
• Beat the game with 150 dog tags.
  Orange Wig (infinite grip)
• Grip yourself over behind the caged fence when you start with Raiden.
  Shaver
• Beat the game. Select "Tanker". Get more than 60 dog tags.
  Stealth Camo
• Beat the game with 120 dog tags.
  Stealth Camo #2
• Beat normal mode with more than 100 dog tags
  Brown Wig (unlimited ammo for Raiden)

Unlockable Ending Rankings

Every difficulty setting has unique unlockable rankings that may be unlocked depending on your performance throughout the game. Below are the possible unlockable rankings and the requirements to unlock them.

• Tanker: 18 minutes or less, Plant: 2hrs 45 min or less, 3hrs or less
  Swallow - Very Easy/Easy Difficulty
• Tanker: 18 minutes or less, Plant: 2hrs 45 min or less, Tanker-Plant: 3hrs or less
  Falcon - Normal Difficulty
• Tanker: 18 minutes or less, Plant: 2hrs 45 min or less, Tanker-Plant: 3hrs or less
  Hawk - Hard Difficulty
• Tanker: 18 minutes or less, Plant: 2hrs 45 min or less, Tanker-Plant: 3hrs or less
  Eagle - Extreme Difficulty
• Tanker: 5+ hours, Plant: 25+ Hours, Tanker-Plant: 30+ Hours
  Koala - Very Easy/Easy Difficulty
• Tanker: 5+ hours, Plant: 25+ Hours, Tanker-Plant: 30+ Hours
  Capybara - Normal Difficulty
• Tanker: 5+ hours, Plant: 25+ Hours, Tanker-Plant: 30+ Hours
  Sloth - Hard Difficulty
• Tanker: 5+ hours, Plant: 25+ Hours, Tanker-Plant: 30+ Hours
  Giant Panda - Extreme Difficulty
• Tanker: 1 alert, Plant: 2 alerts, Tanker-Plant: 3 alerts
  Flying Squirrel - Very Easy/Easy Difficulty
• Tanker: 1 alert, Plant: 2 alerts, Tanker-Plant: 3 alerts
  Bat - Normal Difficulty
• Tanker: 1 alert, Plant: 2 alerts, Tanker-Plant: 3 alerts
  Flying Fox - Hard Difficulty
• Tanker: 1 alert, Plant: 2 alerts, Tanker-Plant: 3 alerts
  Night Owl - Extreme Difficulty
• Tanker: 50+ Alerts, Plant: 200+ alerts, Tanker-Plant: 250+ alerts
  Cow - All Difficulty Levels
• Tanker: 50+ Clearing Escapes, Plant: 100+ clearing escapes, Tanker-Plant: 150+ Clearing Escapes
  Gazelle - All Difficulty Levels
• No Enemies Killed
  Pigeon - All Difficulty Levels
• Tanker: 50+ Enemies killed, Plant: 200+ Enemies killed, Tanker-Plant: 250+ Enemies killed
  Piranha - Very Easy/Easy Difficulty
• Tanker: 50+ Enemies killed, Plant: 200+ Enemies killed, Tanker-Plant: 250+ Enemies killed
  Shark - Normal Difficulty
• Tanker: 50+ Enemies killed, Plant: 200+ Enemies killed, Tanker-Plant: 250+ Enemies killed
  Jaws - Hard Difficulty
• Tanker: 50+ Enemies killed, Plant: 200+ Enemies killed, Tanker-Plant: 250+ Enemies killed
  Orca - Extreme Difficulty
• 31 Rations used
  Pig - Very Easy/Easy Difficulty
• 31 Rations used
  Elephant - Normal Difficulty
• 31 Rations used
  Mammoth - Hard Difficulty
• 31 Rations used
  Whale - Extreme Difficulty
• Tanker: 25+ saves, Plant: 75+ saves, Tanker-Plant: 100 + saves
  Cat - Very Easy/Easy Difficulty
• Tanker: 25+ saves, Plant: 75+ saves, Tanker-Plant: 100 + saves
  Deer - Normal Difficulty
• Tanker: 25+ saves, Plant: 75+ saves, Tanker-Plant: 100 + saves
  Zebra - Hard Difficulty
• Tanker: 25+ saves, Plant: 75+ saves, Tanker-Plant: 100 + saves
  Hippopotamus - Extreme Difficulty
• Beat the game with a Sea Louce in your inventory
  Sea Louce - All Difficulty Levels
• Radar: off, 250+ alerts, 250+ kills, 60+ continues, 31+ rations used, 100+ saves
  Chicken - Very Easy/Easy Difficulty
• Radar: off, 250+ alerts, 250+ kills, 60+ continues, 31+ rations used, 100+ saves
  Mouse - Normal Difficulty
• Radar: off, 250+ alerts, 250+ kills, 60+ continues, 31+ rations used, 100+ saves
  Rabbit - Hard Difficulty
• Radar: off, 250+ alerts, 250+ kills, 60+ continues, 31+ rations used, 100+ saves
  Ostrich - Extreme Difficulty
• Radar off, under 3hr clear, Damage: under 10.5, Shots Fired: under 700, under 3 alerts, 0 kills, 0 continues, 0 rations, 0-8 saves, no special items
  Big Boss - Extreme Difficulty (Tanker-Plant)
• Radar off, under 3hr clear, Damage: under 10.5, Shots Fired: under 700, under 3 alerts, 0 kills, 0 continues, 0 rations, 0-8 saves, no special items
  Fox - Hard Difficulty (Tanker-Plant)
• Radar off, under 3hr clear, Damage: under 10.5, Shots Fired: under 700, under 3 alerts, 0 kills, 0 continues, 0 rations, 0-8 saves, no special items
  Doberman - Normal Difficulty (Tanker-Plant)
• Radar off, under 3hr clear, Damage: under 10.5, Shots Fired: under 700, under 3 alerts, 0 kills, 0 continues, 0 rations, 0-8 saves, no special items
  Hound - Easy Difficulty (Tanker-Plant)
• Under 3hr clear, under 3 alerts, 0 kills, 0 escapes, 0 continues, 0-3 rations, no special items
  Fox - Extreme Difficulty (Tanker-Plant)
• Under 3hr clear, under 3 alerts, 0 kills, 0 escapes, 0 continues, 0-3 rations, no special items
  Doberman - Hard Difficulty (Tanker-Plant)
• Under 3hr clear, under 3 alerts, 0 kills, 0 escapes, 0 continues, 0-3 rations, no special items
  Hound - Normal Difficulty (Tanker-Plant)

Unlocking grip levels

When you are hanging from a ledge, a Grip Gauge appears on screen. By doing a ton of pull-ups (press L2 and R2 simultanously), you can increase the Grip Gauge and increase the alotted time that you are able to hang from a rail.

• Do 100 Pull-ups
  Grip Gauge Level 2
• Do 100 Pull-ups after unlocking Grip Gauge Level 2
  Grip Gauge Level 3