| MGS CODENAME CHART |
|---|
| Codename | Requirement |
|---|---|
| Big Boss | No radar Discovered under 4 times Kill under 25 enemies Use 1 or less rations Continue 0 times Clear time under 3 hours |
| Fox | Discovered under 4 times Kill under 25 enemies Use 1 or less rations Continue 0 times Clear time under 3 hours |
| Falcon | Clear time under 2 hours 30 minutes |
| Jaws | Kill over 250 enemies |
| Pig | Use over 120 rations |
| Hippopotamus | Save over 80 times |
| Turtle | Clear time over 18 hours |
| Chicken | Use over 120 rations Save over 80 times Clear time over 18 hours |
| Leopard | See chart below |
| Grizzly | |
| Jackal | |
| Taratula | |
| Gazelle |
| X = number of times discovered Y = (number of times discovered x 10) / (number of enemies killed - 25) Y = 100 when number of enemies killed is less than 25 | |||||
| 0<Y<4 | 4<Y<8 | 8<Y<16 | 16<Y<20 | 20<Y | |
| 0<X<30 | Leopard | Leopard | Jackal | Taratula | Taratula |
| 30<X<55 | Grizzly | Jackal | Jackal | Jackal | Gazelle |
| 55<X | Grizzly | Grizzly | Jackal | Gazelle | Gazelle |