This guide talks about 4 methods to unlock the achievement for getting either FOX or BIG BOSS as a codename. They are listed from fast & easy to easy to hard and then to extreme. You can choose the one that fits the challenge you prefer.
Achieving this goal is possible in your first playthrough using the first method. The other 3 methods require at least 2 playthroughs.
If you want to play the Japanese version, you must download the Japanese language pack. To do this, go to your game in the library. On the right side, under DLCs, select “manage my DLCs” and download the Japanese language pack. Once you start the game, you’ll find the Japanese version under the original game. It’s the only version without a difficulty option, so essentially, you’re playing on easy difficulty compared to other versions.
Elite
Obtain the Fox or Big Boss codename
Codename FOX (Japanese Version)
The quickest and simplest way to unlock the achievement is by playing the Japanese version (Not Integral) and earning the codename “FOX.”
In your initial playthrough, you cannot turn off the radar, but it doesn’t affect achieving the FOX rank in the Japanese version.
Requirements for codename “FOX”:
- Playtime: Under 3 hours
- Saves: Under 80 saves
- Continue: 0 times
- Alerts: Up to 4 times
- Kills: Under 25 kills
- Rations Used: Not more than 1
- Radar: ON
Simply play through the game, ensuring you meet these requirements. At the end, you will receive the achievement on the score screen.
Codename BIG BOSS (Japanese Version)
The second easiest method to unlock the achievement involves playing the Japanese version (Not Integral) and earning the codename “BIG BOSS.”
You must complete the game once to enable turning off the radar in the Japanese version, requiring at least 2 playthroughs. Under “Special,” you’ll find the radar setting. Turn it OFF and start a new game or NG+.
Requirements for codename “BIG BOSS”:
- Playtime: Under 3 hours
- Saves: Under 80 saves
- Continue: 0 times
- Alerts: Up to 4 times
- Kills: Under 25 kills
- Rations Used: Not more than 1
- Radar: OFF
Proceed through the game, ensuring you meet these requirements. At the end, you will receive the achievement on the score screen.
Codename FOX (OG & Integral Version)
The challenging method to unlock the achievement involves playing the US, European, or Integral version and earning the codename “FOX.”
Start a new game or NG+ and choose the hard difficulty, where the radar is off by default.
Requirements for codename “FOX”:
- Difficulty: Hard
- Playtime: Under 3 hours
- Saves: Under 80 saves
- Continue: 0 times
- Alerts: Up to 4 times
- Kills: Under 25 kills
- Rations Used: Not more than 1
- Radar: Off
Navigate through the game, ensuring you meet these requirements. At the end, you will receive the achievement on the score screen.
Codename BIG BOSS (OG & Integral Version)
The standard method to unlock the achievement involves playing the US, European, or Integral version and earning the codename “BIG BOSS.”
You must complete the game once to unlock the extreme difficulty, requiring at least 2 playthroughs. Start a new game or NG+ and choose the extreme difficulty, where the radar is off by default.
Requirements for codename “BIG BOSS”:
- Difficulty: Extreme
- Playtime: Under 3 hours
- Saves: Under 80 saves
- Continue: 0 times
- Alerts: Up to 4 times
- Kills: Under 25 kills
- Rations Used: Not more than 1
- Radar: Off
Progress through the game, ensuring you meet these requirements. At the end, you will receive the achievement on the score screen.
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