Here is the full list of all 49 STEEL STRIDER achievements.
Raise all weapons to level 2.
Destroy 100 airborne enemies.
Clear the game on Normal or above.
Kill 50 enemies with the Level 3 Handgun.
Destroy 100 enemies using the Guided Missile Launcher.
Destroy 100 enemies using the Railgun.
Destroy 100 enemies with the Laser.
Destroy 50 crates.
Defeat 25 airborne enemies using your Plasma Blade.
Destroy 100 enemies with your Plasma Blade.
Destroy 1,000 enemies.
Clear a stage section using only the Plasma Blade.
Clear the game on Easy.
Defeat the second GMR Saladin at Stage 4-5.
Defeat the Stage 4-4 MCR.
Shoot down the Stage 4-1 aerial MCR.
Defeat the Stage 3 boss.
Destroy the Stage 3-6 MCR.
Raise all weapons to level 3.
Destroy 500 enemies.
Destroy 100 enemies with the Assault Rifle.
Defeat the Stage 2-9 Citadel Core.
Clear a stage section using only the Assault Rifle.
Defeat the Stage 2-7 boss.
Defeat the Stage 2-5 MCR.
Destroy 100 enemies with the Shotgun.
Clear a stealth section without being detected.
Defeat the Stage 2-3 MCR.
Defeat the Stage 2-2 MCR.
Destroy 100 enemies with the Handgun.
Defeat the GMR Saladin and clear Stage 1.
Destroy the shield of a Saladin boss.
Step on a land mine and Game Over.
Step on a land mine and survive the experience.
Defeat the Stage 1-6 boss.
Defeat the Stage 1-8 boss.
Defeat the Stage 1-4 giant robot boss.
Destroy 100 enemies.
Fall into a pit and Game Over. Better luck next time!
Clear a boss fight without taking damage.
Clear a stage section using only the Handgun.
Clear a section without taking damage.
Defeat the Stage 1-2 boss.
Save the Trafalgar and defeat the giant ship that plows through escape pods.
Defeat the final boss and clear the game. Congratulations!
Deliver destruction to 5,000 enemies.
Destroy 100 enemies with the Grenade Launcher.
Destroy 100 enemies with the Rocket Launcher.
Forget about stealth, trigger every alarm!