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