Gameplay Walkthrough...

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
An Ending Marks a New Start	Cleared the Spin-Off episode.
City cleaning department	Encountered a noisy giant mechanical worm.
Core Keeper	Escaped from the core guardian.
Farewell	Finally, you have reached the end.
Fishing	You need a large bait for a large prey.
Government-Certified Living Weapon	Nothing but ashes mark the path scorched by the monster that is you.
Hovering Hellfire	Defeated the Firebird.
In the Factory King's palace	Escaped from the Overseer.
Mutiny	Defeated Major Song.
Organizing Positions	Had a deep discussion with Mari.
Pitiful hero	Defeated Justice.
Prototype	Defeated Recommendation of Execution.
Special Forces Cat	Received the kitty member's recognition.
Supernatural Phenomena	Defeated the Bulgasal.
Taking the lead	Beat Major Song's record.
The legend has returned	The once legend, YOU have returned.
The unfolding truth	Encountered every truth.
There is nowhere to run	Roleplaying with your daughter is the most sacred duty.
Undeteriorating Skill	Beat your own record.
What's important is seeing this through to the end	Chose the lie you want to believe.
You should have seen who you were attacking	Defeat Kang Seon.