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