Here is the full list of all 33 Azure Striker GUNVOLT 3 achievements.
Unlock all other achievements.
Clear the Sumeragi Futures Institute of Technology.
Clear Downtown Christmas.
Clear Cyber-Kowloon.
Clear Stormy Megafloat.
Clear Old Capital Temple.
Clear Ballistic Missiles.
Clear Desert Base.
Clear Abandoned Factory.
Clear Megafloat "Neptune."
Clear Forest Area.
Clear Sunrise Palace 1.
Clear Sunrise Palace 2.
Clear Sunrise Palace 3.
Clear Sunrise Throne.
See the normal ending.
See the true ending.
Clear the boss rush mission.
Collect 10 different types of passive Image Pulses.
Collect 20 different types of passive Image Pulses.
Collect 40 different types of passive Image Pulses.
Collect 60 different types of passive Image Pulses.
Collect 10 different types of skill Image Pulses.
Collect 20 different types of skill Image Pulses.
Collect 40 different types of skill Image Pulses.
Collect 60 different types of skill Image Pulses.
Collect 20 different types of song Image Pulses.
Get at least S rank on all missions other than special missions.
Get at least S+ rank on 10 different missions.
Get S++ rank on 3 different missions.
Get Azure Striker rank on any mission.
Clear all missions other than special missions on hard mode.
Clear 3 different mission on very hard mode.