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