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