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