Here is the full list of all 57 HAAK achievements.
The base game contains 53 achievements, and there are 2 DLC packs containing 4 achievements.
Bitten to death by dogs 3 times
Fuse 1 EP slot.
Fuse 5 HP slots
Kill 18 Laser Drones
Dropped into the acid pool 10 times
Complete [Pass the Tunnel]
Found 10 Mystic Disks
Spend less than 8 minutes to escape from Metro Tunnel
Complete [Road to the South]
Complete [North Station]
Change the color of your cape once.
Complete [Escape from Ruins]
Enter World Map
Squeezed to death
Smashed 10 Big Chests
Electrocuted 10 times
Dropped into the pit of Sanhe Ruins
Defeat Wang Ping in Sanhe Ruins
Defeat Wang Ping in Sanhe Ruins within 3 minutes
Fuse a HP slot
Use a Bathroom Portal once.
Destroy 100 bricks
Found a hidden item
Found a Mystic Disk
Obtain a Power Glove
Thoroughly search North Station
Stay in North Station for more than 2 hours
Pass through the heavily guarded pathway in the [Brewery] without shutting any of the 4 doors blocking the sight.
Find 30 Mysterious Disks.
Find 50 Mysterious Disks.
Defeated 3Kyo without getting damaged.
Solved the maze in Momoyama.
Destroy all 4 signal towers.
Become a puppet of GAEL.
Brings hope to Good-Hearted Fort.
Achieve 100% exploration.
Obtain 4000+ Tongbao in total.
No death until beating Fatty.
Editor-in-chief Ben Dover thought you're really good.
Someone can actually beat the game in 5 hours, wow!