Here is the full list of all 36 HARDCORE MECHA achievements.
Complete the second chapter in singleplayer mode.
Complete the first chapter in singleplayer mode.
Complete "Move & Fly Tutorial", "Shoot Tutorial", "Dash Tutorial", "Melee Combat Tutorial", and "Ultimate Skill Tutorial" in singleplayer mode.
Damage the Red Golem to only 10% HP or below at chapter 1 in singleplayer mode.
Complete the Prologue in singleplayer mode.
Complete the third chapter in singleplayer mode.
Complete the fourth chapter in singleplayer mode.
Complete the fifth chapter in singleplayer mode.
Complete the chapter
Complete the sixth chapter in singleplayer mode.
Complete the seventh chapter in singleplayer mode.
Complete the eighth chapter in singleplayer mode.
Complete all singleplayer levels with rating of A or above.
Complete all singleplayer levels with rating of S.
Defeat Wallfisch and Crimson Flame within 1 minute at the chapter
Ensure all civilians survive on the building at the chapter "Raid" in singleplayer mode.
Ensure all evacuating vehicles are intact at the chapter "Siege of Orcus" in singleplayer mode.
In a single save file, die less than 5 times when completing all singleplayer levels.
In a single save file, complete all singleplayer levels without dying.
Unlock 10 techs in singleplayer mode.
Unlock all techs in singleplayer mode.
Finds all parts used for unlocks in singleplayer mode.
Level up to Lv. 10 in Quick Game mode.
Level up to Lv. 20 in Quick Game mode.
Complete 10 quick match in Quick Game mode.
Use pilot to kill 20 enemy pilots in Quick Game mode.
Use pilot to kill 30 enemy pilots in Quick Game mode.
Use pilot to destroy 20 mechas in Quick Game mode.
Use pilot to destroy 40 mechas in Quick Game mode.
Use pilot's primary weapon to destroy 20 mechas in Quick Game mode.
Use mecha to eliminate 20 enemy pilots in Quick Game mode.
Use vulcan to destroy 20 mechas in Quick Game mode.
Complete the chapter "Blue Blitz" in singleplayer mode without taking damage.
Eliminate 2000 enemy units cumulatively in singleplayer mode.
Use pilot to survive for more than 1 minute in a game in Quick Game mode.