Here is the full list of all 48 Dynasty Warriors 6 achievements worth 1,000 gamerscore.
Unlock by satisfying special conditions.
Set PERSONAL BEST (1st) in RAMPAGE.
Set PERSONAL BEST (1st) in SUDDEN DEATH.
Set PERSONAL BEST (1st) in SPEED RUN.
Set PERSONAL BEST (1st) in HAVOC.
Set PERSONAL BEST (1st) in GAUNTLET.
Achieve 50 or more Targets.
Achieve 75 or more Targets.
Achieve 100 or more Targets.
Achieve all Targets.
Clear 10 or more scenarios.
Clear 20 or more scenarios.
Clear 30 or more scenarios.
Clear all scenarios.
Clear all Musou Modes.
Advance all officers to level 50.