Here is the full list of all 57 Ori and the Blind Forest: Definitive Edition achievements worth 1,250 gamerscore.
Completed the game on Hard Difficulty
Completed whole game without dying
Completed the game on One Life Difficulty
Finished the game in under 3 hours
Killed 50 enemies with Light Burst
Visited 100% of the map
Earned all Efficiency Skills in the Ability Tree
Earned all Skills in the Ability Tree
Found all secrets
Killed 5 enemies using Charge Dash
Killed 5 enemies with Charge Jump
Collected all Energy Cells
Earned all Utility Skills in the Ability Tree
Earned all Combat Skills in the Ability Tree
Used your first ability point
Completed the game
Reunited with Naru
Completed the whole game without using an Ability Point
Restored the Element of Warmth
Saved at every Spirit Portal
Restored all Map Stones
Entered Mt. Horu
Collected all Health Cells
Obtained the Sunstone
Juggled a rock 5 times without it hitting the ground
Escaped Kuro
Restored the winds of Nibel
Cleared the Misty Woods
Killed 100 enemies with Charge Flame
Found the lost corridor in the Misty Woods
Created 50 Soul Links
Escaped the Boulder in Black Root Burrows
Uncovered the mysteries of Naru
Found 50% of all secrets
Killed 50 enemies with Stomp
Activated 3 torches using Light Burst
Collected 200 Energy Shards
Killed 500 enemies with Spirit Flame
Killed 25 enemies using Bash to reflect projectiles
Restored 50% of all Map Stones
Bashed off enemies 10 times in a row without touching the ground
Opened 5 shortcuts using the Charge Flame
Escaped the rising waters of the Ginso Tree
Restored the heart of the Ginso Tree
Double Jumped 5 times consecutively without touching the ground
Entered the Ginso Tree
Rescued Gumo
Caused an enemy to destroy itself
Crushed a Ram with a Stomper
Tricked 5 enemies into killing another enemy
Discovered Gumo
Killed 4 enemies simultaneously using Charge Flame.
Killed 3 enemies without touching the ground
Met the Spirit Tree
Restored your first Map Stone
Found your first secret
Completed the Prologue