Full list of all 79 Horizon Zero Dawn Complete Edition achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Learned all available skills.
Ended the threat of the ancient war machines.
Given Aloy's actions, all possible optional allies joined the defense.
Found and knocked over all of the Grazer training dummies in the Nora region.
Killed 5 enemies using the Dismount Strike skill.
Recovered an ancient technology and put it to use.
Found all of the Metal Flowers.
Explored the Mountain That Fell and recovered a powerful weapon.
Learned all of the new skills in the Frozen Wilds.
Defeated the invaders and went inside the sacred mountain.
Discovered the truth of Zero Dawn.
Aided the escapes of Uthid and the child king Itamen from the Shadow Carja.
Infiltrated the Eclipse battle camp and crashed their network.
Reached player level 50.
Learned of the ancient past at Maker's End.
Encountered and Focus scanned every type of machine.
Helped Erend investigate Ersa's fate, and foiled a plot against Meridian.
Rose through the ranks of the Hunters Lodge and helped Talanah defeat Redmaw.
Earned a Blazing Sun mark in all trials at all of the Hunting Grounds.
Earned at least a Half Sun mark in all trials at all of the Hunting Grounds.
Found all of Arnak's figures.
Killed at least one of every type of Acquisition machine.
Found and accessed all of the Vantage datapoints.
Found all the Ancient Vessels.
Killed all the corrupted machines in every Corrupted Zone.
Reached the Core of every Cauldron and accessed the information within.
Killed at least one of every type of Transport machine.
Took back all settlements from the bandit clans.
Scaled all of the Tallnecks and accessed their information.
Reached player level 40.
Detached 5 heavy weapons from machines during combat.
Unlocked and used the overrides for 7 different types of machine.
Killed at least one of every type of Combat machine.
Destroyed the corruption inside the Nora valley.
Reached player level 25.
Killed at least one of every type of Reconnaissance machine.
Found a wooden effigy left by a Banuk traveler.
Found the Nora War-Chief and defeated the killers in the Ring of Metal.
Killed 10 machines weak to Fire while burning, or weak to Freeze while frozen.
Reached the Core of a Cauldron and accessed its information.
Killed all the corrupted machines in a Corrupted Zone.
Earned a Blazing Sun mark in all three trials at one Hunting Ground.
Earned at least a Half Sun mark in all three trials at one Hunting Ground.
Killed 30 human enemies by landing headshots on them.
Discovered a strange metal flower.
Took back a settlement from a bandit clan.
Found an ancient vessel once used by the Old Ones.
Found and accessed a Vantage datapoint.
Reached player level 10.
Scaled a Tallneck and accessed its information.
Performed a stealth kill on 10 machines.
Killed 3 enemies using the Strike from Above skill.
Detached 10 components from machines during combat.
Overcame adversity and placed first in the Proving.
Defeated the Sawtooth that threatened the Nora.
Used a Weapon Coil or Outfit Weave on a modifiable weapon or outfit.
Learned to hunt and fight alongside Rost.
Obtained all Horizon Zero Dawn achievements.
Completed a New Game+ playthrough on any difficulty.
Completed a New Game+ playthrough on Ultra Hard difficulty.
Survived the Shaman's Path and found Ourea's retreat.
Challenged Aratak at the Frostfigures and won.
Successfully assaulted Thunder's Drum.
Drove out the threat within the mountain.
Completely drained the floodwater from inside the Greycatch.
Met Ikrie again at the Snowchants Hunting Ground and took first place in her challenge.
Acquired the improved versions of three weapons from Varga.
Completed all side quests and errands in the Frozen Wilds.
Completed the Tallneck, Bandit Camp and Hunting Ground in the Cut.
Applied a modification to your spear.
Used the Machine Repair or Mount Repair skill on 5 different types of machine.
Killed 15 Scorcher machines.
Killed 10 Frostclaw machines.
Killed 6 Fireclaw machines.
Disabled all Control Towers by overriding or destroying them.
Found all of the Pigments in the Cut.
Found all of the Animal Figurines in the Cut.
Traded Bluegleam for a special weapon or outfit.
Reached player level 60.