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XBox - Yager cheats

Unlock all Levels
Create a game profile named "lvl.activate 1" to get access to all stages.

Unlock all ships in the database
Create a profile named "data.setvis 1". 
While on this profile, you can open every entry of the ship database.

9 instead of 3 retries per checkpoint
Create a profile named "set MAXCNT 9"

There's no way to have more or less retries just by altering the number. 
This number is hardcoded...