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Boss Survival is a game mode where the player fights through all the bosses in the game consecutively.
Unlocks with a completed savefile. For links to completed savefiles and the developer save, check the MGS2 Resources page.
General Information
- Can be played on Sons Of Liberty (with exception to NTSC-U), Substance, and the HD Edition.
- Difficulties somewhat follow the Sons of Liberty NTSC-J naming convention:
- “Easy” = Very Easy from most versions.
- “Normal” = Easy from most versions.
- “Hard” = Hard from most versions.
- Extreme can only be accessed using the developer menu.
- Load times, lag, and pausing the game using start do NOT count towards the in-game timer.
- Menu-ing weapons and items do count towards the in-game timer
- The boss fights on Sons Of Liberty and Substance Xbox NTSC-U include:
- Olga, Fatman, Harrier, Vamp, MG-Rays, and Solidus.
- The boss fights on Substance and HD Edition include:
- Olga, Guard Rush, Fatman, Harrier, Vamp, Tengus, MG-Rays, and Solidus.
- Two playable characters: Raiden and Snake.
| Difficulty | Number of Guards | Number of Tengus |
|---|---|---|
| Easy | 4 + 3 | 20 |
| Normal | 5 + 3 | 22 |
| Hard | 8 + 3 | 25 |
| Extreme | 8 + 3 | 25 |