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