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