Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A stab in the dark	Defeat 25 airborne enemies using your Plasma Blade.
Aerial Terror	Destroy 100 airborne enemies.
Arachnophobia	Defeat the Stage 1-6 boss.
Argo Express Finest	Clear the game on Normal or above.
Argo Express Rookie	Clear the game on Easy.
Armor Breaker	Destroy 100 enemies with the Rocket Launcher.
Assault Suit Gemini	Destroy 100 enemies with the Assault Rifle.
Blast from the Past	Defeat the final boss and clear the game. Congratulations!
Bombastic	Destroy 100 enemies with the Grenade Launcher.
Bot with the Golden Gun	Kill 50 enemies with the Level 3 Handgun.
Brought a knife to a gunfight	Destroy the Stage 3-6 MCR.
Cheapskate Gunman	Clear a stage section using only the Handgun.
Cooking with light	Destroy 100 enemies with the Laser.
Damaged Property	Destroy 50 crates.
Deadly Light Stick	Destroy 100 enemies with your Plasma Blade.
Don't tread on me	Step on a land mine and survive the experience.
Explosive Parcel Delivery	Destroy 100 enemies.
Express Destruction Service	Destroy 500 enemies.
Fierce Defender	Defeat the Stage 2-2 MCR.
Heart on Fire	Defeat the Stage 4-4 MCR.
Heavenly Heavens Penetrator	Destroy 100 enemies using the Railgun.
High Caliber Slingshot	Shoot down the Stage 4-1 aerial MCR.
Last Express to Hell	Defeat the Stage 2-5 MCR.
Lightning Strikes	Defeat the Stage 1-2 boss.
Lightning Strikes Twice	Defeat the Stage 1-8 boss.
Moonwalker	Defeat the Stage 1-4 giant robot boss.
Ninjabot	Clear a stealth section without being detected.
Painkiller	Defeat the Stage 2-7 boss.
Pea-shooting Extraordinaire	Destroy 100 enemies with the Handgun.
Portable Circus	Destroy 100 enemies using the Guided Missile Launcher.
Searing Diplomacy	Defeat the Stage 2-3 MCR.
Shield Breaker	Destroy the shield of a Saladin boss.
Shoot 'em Up!	Clear a stage section using only the Assault Rifle.
Shoot the core!	Defeat the Stage 2-9 Citadel Core.
Sound the Alarm	Forget about stealth, trigger every alarm!
Spread Menace	Destroy 100 enemies with the Shotgun.
Suicidal Tendencies	Fall into a pit and Game Over. Better luck next time!
Supercharged M.C.R. Gemini	Raise all weapons to level 3.
Superior Firepower	Raise all weapons to level 2.
The Legend Never Dies	Defeat the second GMR Saladin at Stage 4-5.
Took the wrong step	Step on a land mine and Game Over.
Trafalgar Square'd	Save the Trafalgar and defeat the giant ship that plows through escape pods.
Ultimate Galactic Postal Service	Deliver destruction to 5,000 enemies.
Unbreakable	Clear a section without taking damage.
Undercover Space Postman	Destroy 1,000 enemies.
Untouchable	Clear a boss fight without taking damage.
Up close and personal	Clear a stage section using only the Plasma Blade.
Venerable Warhorse	Defeat the GMR Saladin and clear Stage 1.
Yarrr DEAD!	Defeat the Stage 3 boss.