MGS INTEGRAL CODENAME CHART

Codename	Difficulty	Requirement
Big Boss	Extreme	Discovered under 4 times Kill under 25 enemies Use 1 or less rations Continue 0 times Clear time under 3 hours
Fox	Hard
Doberman	Normal
Hound	Easy
Scorpion	Extreme	Discovered under 30 times Kill under 17 enemies
Centipede	Hard
Tarantula	Normal
Spider	Easy
Jaguar	Extreme	Discovered under 30 times Kill over 62 enemies
Panther	Hard
Leopard	Normal
Puma	Easy
Eagle	Extreme	Clear time under 2:30
Hawk	Hard
Falcon	Normal
Pigeon	Easy
Orca	Extreme	Kill over 250 enemies
Jaws	Hard
Shark	Normal
Piranha	Easy
Whale	Extreme	Use over 130 rations
Mammoth	Hard
Elephant	Normal
Pig	Easy
Hippopotamus	Extreme	Save over 80 times
Zebra	Hard
Deer	Normal
Cat	Easy
Giant Panda	Extreme	Clear time over 18 hours
Sloth	Hard
Capybara	Normal
Koala	Easy
Night Owl	Extreme	Discovered between 30 and 54 times Kill under 51 enemies or Discovered over 55 times Kill under 58 enemies
Flying Fox	Hard
Bat	Normal
Flying Squirrel	Easy
Crocodile	Extreme	Discovered between 30 and 54 times Kill over 162 enemies or Discovered over 55 times Kill over 93 enemies
Alligator	Hard
Iguana	Normal
Comodo Dragon	Easy
Tasmanian Devil	Extreme	Discovered under 30 times Kill over 18 enemies or Discovered between 30 and 54 times Kill under 52 enemies or Discovered over 55 times Kill over 59 enemies
Jackal	Hard
Hyena	Normal
Mongoose	Easy
Ostrich	Extreme	Kill over 130 enemies Use over 130 rations Save over 80 times Clear time over 18 hours
Rabbit	Hard
Mouse	Normal
Chicken	Easy