Found the Nora War-Chief and defeated the killers in the Ring of Metal.

Killed 30 human enemies by landing headshots on them.

Reached the Core of a Cauldron and accessed its information.

Killed at least one of every type of Reconnaissance machine.

Reached player level 25.

Killed 10 machines weak to Fire while burning, or weak to Freeze while frozen.

Learned of the ancient past at Maker's End.

Killed 3 enemies using the Strike from Above skill.

Detached 5 heavy weapons from machines during combat.

Helped Erend investigate Ersa's fate, and foiled a plot against Meridian.

Infiltrated the Eclipse battle camp and crashed their network.

Discovered the truth of Zero Dawn.

Earned at least a Half Sun mark in all three trials at one Hunting Ground.

Killed at least one of every type of Combat machine.

Defeated the invaders and went inside the sacred mountain.

Reached player level 40.

Explored the Mountain That Fell and recovered a powerful weapon.

Ended the threat of the ancient war machines.

Unlocked and used the overrides for 7 different types of machine.

Earned a Blazing Sun mark in all three trials at one Hunting Ground.

Scaled all of the Tallnecks and accessed their information.

Found a wooden effigy left by a Banuk traveler.

Killed at least one of every type of Acquisition machine.

Killed at least one of every type of Transport machine.

Survived the Shaman's Path and found Ourea's retreat.

Reached player level 50.

Reached the Core of every Cauldron and accessed the information within.

Recovered an ancient technology and put it to use.

Traded Bluegleam for a special weapon or outfit.

Aided the escapes of Uthid and the child king Itamen from the Shadow Carja.

Challenged Aratak at the Frostfigures and won.

Encountered and Focus scanned every type of machine.

Rose through the ranks of the Hunters Lodge and helped Talanah defeat Redmaw.

Applied a modification to your spear.

Successfully assaulted Thunder's Drum.

Drove out the threat within the mountain.

Completely drained the floodwater from inside the Greycatch.

Took back all settlements from the bandit clans.

Learned all available skills.

Earned at least a Half Sun mark in all trials at all of the Hunting Grounds.

Found all the Ancient Vessels.

Earned a Blazing Sun mark in all trials at all of the Hunting Grounds.

Learned all of the new skills in the Frozen Wilds.

Acquired the improved versions of three weapons from Varga.

Killed all the corrupted machines in every Corrupted Zone.

Disabled all Control Towers by overriding or destroying them.

Found all of Arnak's figures.

Found all of the Metal Flowers.

Found and accessed all of the Vantage datapoints.

Found all of the Animal Figurines in the Cut.

Found all of the Pigments in the Cut.

Killed 6 Fireclaw machines.

Reached player level 60.

Given Aloy's actions, all possible optional allies joined the defense.

Killed 10 Frostclaw machines.

Completed all side quests and errands in the Frozen Wilds.

Met Ikrie again at the Snowchants Hunting Ground and took first place in her challenge.

Completed the Tallneck, Bandit Camp and Hunting Ground in the Cut.

Killed 15 Scorcher machines.

Used the Machine Repair or Mount Repair skill on 5 different types of machine.

Killed 5 enemies using the Dismount Strike skill.

Found and knocked over all of the Grazer training dummies in the Nora region.

Completed a New Game+ playthrough on any difficulty.

Completed a New Game+ playthrough on Ultra Hard difficulty.

Obtained all Horizon Zero Dawn achievements.