Complete the listed task to unlock the corresponding Steam achievement. To view your achievement progress and stats, open the Steam client, select "Community", then search for the game hub for "Armored Hunter Gunhound EX". Choose the "View Stats" option on the drop down list, then choose the option that will list the achievements for your username.

Achievement	How to unlock
Captain	Acquire the Shotgun.
Chief Petty Officer First Class	Acquire the 35mm AA Autocannon.
Colonel	Maxed out the Score Counter.
Corporal	Acquire the 30mm Autocannon.
First Lieutenant	Acquire the Clutch Fang.
Lieutenant Colonel	Acquire the Anti-Ship Energy Cannon.
Major	Acquire the Grenade Launcher and Hand Grenade.
Second Lieutenant	Acquire the Napalm Thrower.
Sergeant	Acquire the Gatling Claw.
Sergeant Major	Acquire the XVI Naval Cannon.
Trainee Graduation	Cleared all Simulator Missions.