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.
Applied a modification to your spear.
Survived the Shaman's Path and found Ourea's retreat.
Traded Bluegleam for a special weapon or outfit.
Completely drained the floodwater from inside the Greycatch.
Took back all settlements from the bandit clans.
Killed all the corrupted machines in every Corrupted Zone.
Learned all of the new skills in the Frozen Wilds.
Found and accessed all of the Vantage datapoints.
Found all of the Metal Flowers.
Ended the threat of the ancient war machines.
Given Aloy's actions, all possible optional allies joined the defense.
Recovered an ancient technology and put it to use.
Explored the Mountain That Fell and recovered a powerful weapon.
Defeated the invaders and went inside the sacred mountain.
Reached player level 50.
Discovered the truth of Zero Dawn.
Reached the Core of every Cauldron and accessed the information within.
Found all of Arnak's figures.
Killed at least one of every type of Transport machine.
Aided the escapes of Uthid and the child king Itamen from the Shadow Carja.
Encountered and Focus scanned every type of machine.
Scaled all of the Tallnecks and accessed their information.
Infiltrated the Eclipse battle camp and crashed their network.
Found all the Ancient Vessels.
Learned of the ancient past at Maker's End.
Rose through the ranks of the Hunters Lodge and helped Talanah defeat Redmaw.
Killed 3 enemies using the Strike from Above skill.
Helped Erend investigate Ersa's fate, and foiled a plot against Meridian.
Reached player level 40.
Killed 10 machines weak to Fire while burning, or weak to Freeze while frozen.
Killed 30 human enemies by landing headshots on them.
Earned at least a Half Sun mark in all trials at all of the Hunting Grounds.
Earned a Blazing Sun mark in all trials at all of the Hunting Grounds.
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 Acquisition machine.
Killed at least one of every type of Combat machine.
Destroyed the corruption inside the Nora valley.
Found a wooden effigy left by a Banuk traveler.
Reached player level 25.
Found the Nora War-Chief and defeated the killers in the Ring of Metal.
Found and accessed a Vantage datapoint.
Killed at least one of every type of Reconnaissance machine.
Killed all the corrupted machines in a Corrupted Zone.
Reached the Core of a Cauldron and accessed its information.
Discovered a strange metal flower.
Took back a settlement from a bandit clan.
Found an ancient vessel once used by the Old Ones.
Scaled a Tallneck and accessed its information.
Earned at least a Half Sun mark in all three trials at one Hunting Ground.
Earned a Blazing Sun mark in all three trials at one Hunting Ground.
Performed a stealth kill on 10 machines.
Reached player level 10.
Overcame adversity and placed first in the Proving.
Detached 10 components from machines during combat.
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.
Found and knocked over all of the Grazer training dummies in the Nora region.
Learned all available skills.
Completed a New Game+ playthrough on any difficulty.
Completed a New Game+ playthrough on Ultra Hard difficulty.
Challenged Aratak at the Frostfigures and won.
Successfully assaulted Thunder's Drum.
Drove out the threat within the mountain.
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.
Killed 5 enemies using the Dismount Strike skill.
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.
Reached player level 60.