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
Kill all of Odin’s Ravens
Use treasure maps to find all of the dig spots
Defeat the nine Valkyries
Collect all of the Artifacts
Complete all of the Trials of Muspelheim
Fully upgrade the Blades of Chaos
Fully upgrade your rage
Obtain Traveler armor set
Obtain Ancient armor set
Fully upgrade the Leviathan Axe
Retrieve all treasure from the Workshop’s center chamber
Spread the ashes
Defeat Baldur
Read all of the Jötnar shrines
Learn the languages of Muspelheim and Niflheim
Complete all of Brok and Sindri’s Favors
Free all of the Dragons
Ride the ship out of Helheim
Kill 1,000 Enemies
Rescue Atreus
Fully upgrade your Health
Retrieve the Blades of Chaos
Heal Atreus
Assist all of the wayward spirits
Explore all the Lake of Nine has to offer
Fully explore Veithurgard
Fully upgrade a Runic Attack
Defeat the Dragon of the Mountain
Defeat Magni and Modi
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
Slot an Enchantment into your armor
Defend your home from The Stranger