Here is the full list of all 37 God of War achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Obtain all other achievements
Defeat the nine Valkyries
Retrieve all treasure from the Workshop’s center chamber
Complete all of the Trials of Muspelheim
Use treasure maps to find all of the dig spots
Collect all of the Artifacts
Kill all of Odin’s Ravens
Fully upgrade the Blades of Chaos
Fully upgrade the Leviathan Axe
Assist all of the wayward spirits
Complete all of Brok and Sindri’s Favors
Read all of the Jötnar shrines
Free all of the Dragons
Spread the ashes
Defeat Baldur
Learn the languages of Muspelheim and Niflheim
Kill 1,000 Enemies
Ride the ship out of Helheim
Rescue Atreus
Obtain Traveler armor set
Fully upgrade your rage
Fully upgrade your Health
Heal Atreus
Retrieve the Blades of Chaos
Explore all the Lake of Nine has to offer
Defeat Magni and Modi
Fully upgrade a Runic Attack
Obtain Ancient armor set
Defeat the Dragon of the Mountain
Fully explore Veithurgard
Allow the Light Elves to return home
Upgrade a piece of armor
Survive the Witch’s Woods
Craft an outfit for Atreus
Obtain a Runic Attack Gem
Defend your home from The Stranger
Slot an Enchantment into your armor