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