The Sequel Horizon Forbidden West is out now!

If this guide right here was a help to you, I'd be honored to be of assistance to you once more:

• https://test-steamproxy.haloskins.io/sharedfiles/filedetails/?id=3194697969

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Attention:
Several people in the comment section reported, that meeting achievement requirements while playing offline effectively locks you out of obtaining those achievements, even if done again after coming online!

Okay, so, there are no actually missable achievements in the game.
After you've completed the last main mission, you'll be put back right before it.
But if you dislike doing the same thing more often than necessary, make sure to check out the following 2 achievements:


The full list of all machines isn't necessary at this point; just remember to scan every machine upon seeing it for the first time. There are 2 distinctive story-exclusive machines, which you only encounter a few times and only during main story mission. Make sure to scan them.



Play the game however you want until the second-to-last main mission "The Looming Shadow".
Even after starting that quest, you can play until you're warned, that there is no way back.

When you're at this point, check the "list of all allies" chapter below, if you've done all the necessary side quests in order to unlock all of them. You can do those side quests whenever you want.


And upon selecting to rest, you will be warned again:


Even if you've missed either of the 2 achievements above, you may as well grab them in NewGame+, instead of redoing the final mission, since you're gonna have to play another round anyway:


The difficulty for your first run does not matter.

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And then there are the Open World collectibles. While not missable, it's a pain to backtrack them at the end. Most merchants in the game sell maps for all the collectibles under their "special items" tab.
You'll want to buy those maps rather early and collect all the stuff highlighted by the maps while you're close to them.



You will also need to complete basically all side missions and errands you come across, since several of them reward you with skill points, which you actually need to unlock all skills.

The DLC's story is intended to be played AFTER finishing the main story.
Avoid going there early, as it contains some major spoilers.



And finally - Here are some other steam guides you might find useful:

• https://test-steamproxy.haloskins.io/sharedfiles/filedetails/?id=2190192369
  
• https://test-steamproxy.haloskins.io/sharedfiles/filedetails/?id=2191861858
  
• https://test-steamproxy.haloskins.io/sharedfiles/filedetails/?id=2546519883

You need to explicitly finish a NG+ run on Ultra Hard, so play whichever difficulty you fancy for the first run.


Up until this point, nothing is missable. So just play whichever way you want.



In order to recruit all allies, you need to finish several side quests scattered all over the map.
Some quests will only unlock later in the story, but they will stay available until the end of the game.
The first chapter of this guide will show you the point of no return.

The bandit hunter named Nil is actually NOT needed for the achievement, even though he can show up for the defense, if you let him live.

For the complete list of allies, check the chapter right below this one.
Note that the final mission is repeatable infinitely, and thus you can grab all allies after having already completed it once, then just do it again.



Remember to scan the non-dinosaur machines during the final boss fight with your focus for the "All machines catalogued" achievement, if you haven't already done so on earlier occasions in the story.

Okay, so, here's the full list of all allies, promised in the chapter above.

Note, that the bandit hunter Nil is actually not required for this achievement, even though he is a possible ally.
Thanks to Akylios for pointing this out.

• Aluki
  
  • Side Quest: A Moment's Peace | Level 12
    
  
  
• Nakoa
  
  • Side Quest: A Daughter's Vengeance | Level 15
    
  
  
• Namman
  
  • Side Quest: Honor the Fallen | Level 16
    
  
  
• Elida
  
  • Side Quest: Sun and Shadow | Level 20
    
  
  
• Janeva
  
  • Side Quest: Sunstone Rock | Level 20
    
  
  
• Uthid
  
  • Side Quest: Traitor's Bounty | Level 21
    (automatically picked up during the main story)
    
  
  
• Vanasha
  
  • Side Quest: Queen's Gambit | Level 28
    (automatically picked up straight after completing the quest for the ally just above)
    
  • This will also unlock:
    
    Picture

    Achievement

    Description

    

    Aided the defectors

    Aided the escapes of Uthid and the child king Itamen
    from the Shadow Carja.
  
  
• Talanah
  
  • Side Quests (each of them automatically starts the next):
    Hunting for the Lodge | Level 16
    Hunter's Blind | Level 12
    Deadliest Game | Level 18
    Redmaw | Level 19
    
  • This will also unlock:
    
    Picture

    Achievement

    Description

    

    Hunted Redmaw with Talanah

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

This is rather straight-forward. Kill everything you come across, complete all quests and invest all your skill points.



Amoung those skills, you will find what you need to unlock:



Once you unlocked the skills, you shouldn't have any problems unlocking the achievements as well.

Self-explanatory. There are by far enough human enemies in the game to unlock this without any problems.



It's completely impossible not to tore off 10 components while playing the game.
Heavy weapons on the other hand are somewhat rare.
There are but 3 machines in the game, which are equipped with such weapons:

• Ravager - 1 "Ravager Cannon"
  
• Thunderjaw - 2 "Disc Launcher"
  
• Deathbringer - 2 "Gun Turret"

Should come naturally. Fire and Freeze are actually really strong in Horizon, so you'd do yourself a favor by using them.



You'll automatically unlock the ability to override machines early on in the story. You won't be able to override all machines from the get go, though. In order to unlock more overrides, you need to complete the Cauldrons (the sci-fi dungeons), which are revealed on your map by overriding a tallneck.
Here's the full table of overrides:




Well, scan and kill every type of machine in the game.
Already killed machines can still be scanned with your focus.

You can use your notebook to check, which machines you've already scanned.

Make sure to scan the Non-Dinosaur machines, when you have the chance to do so during certain main story missions, as you gonna have to replay the very lengthy final mission an extra time, if you skip this for too long.




You should cross paths with all of them naturally, while going for all the other achievements.

Note, that all the achievements in this chapter exclude the DLC region in the northeast of the map.


These achievements are pretty self-explanatory.
Override all the Tallnecks and the locations for the other activities will be revealed on the map.



You can actually buy some maps at most merchants under the "Special Items" tab, which roughly display all their locations.



That being said, here are a few further hints on how to locate them exactly:

Modifications are uncommon drops from killed machines.
To use them, open your menu, go to crafting, choose weapons or outfits, pick a weapon/outfit with an empty slot and choose a mod to equip.
You'll be given your first outfit with a slot just before the Proving.



Here's a screenshot with all locations (click to expand):

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Refer to this steam guide:

• https://test-steamproxy.haloskins.io/sharedfiles/filedetails/?id=2190278773

Yes, the DLC is already included and does not need to be purchased separately.

All of the achievements below refer to the snowy area in the north-east corner of the map:



These 4 are the story achievements of the DLC and therefor impossible to miss.



Clear the open world activities. Basically identical to the base game versions.
You need to have finished the second DLC story mission - the one which unlocks "Won the Werak Challenge" - in order to be able to attempt all Hunting Ground trials.



Just buy the 3 maps for the collectibles, just as for the base game collectibles.
You don't even to need to collect the Bluegleam. You might just ignore it and the map alltogether; you get by far enough for one trade as quest rewards. You might just get enough for three, actually.
And if you're looking for that last Animal Figurine - it's in the hut at the end of "The Shaman's Path":




Complete the errand "A Secret Shared", which you can start just north of the entrance village to the DLC, and you'll unlock a mod slot for your spear. Put a mod inside it via the crafting menu.



This is part of the side quest "Waterlogged", which you can start at the entrance village to the DLC. Pretty late into the quest, there's an optional bunker door with a pipe puzzle behind it. You need to complete both the puzzle and the quest, in order to unlock the achievement. You can come back after completing the quest; I'd advice to do it right away, though.

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The puzzle then looks like this:

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Visit the camp just southwest of the Hunting Grounds to start the side quest "Survivor". During that quest, you'll meet Ikrie. Finish the quest and find her at the Snowchants Hunting Grounds afterwards to take the errand "Ikrie's Challenge".



Find Varga, next to the Bluegleam trader in the south-east of the new region.
Once you've aquired the Forgefire, the Stormslinger and the Ice Rail, which are awarded for completing the first 2 main missions of the DLC and killing the leader of the only bandit camp, Varga will give you 3 errands to gear up the 3 beforementioned weapons. Upon completing all 3 errands, the achievement will unlock.



After you've unlocked the 4 achievements just above this one, you're still 2 side quests and 2 errands short of this achievement.

• Errand | Out of the Forge - Automatically started upon completing the DLC's main story
  
• Errand | The Claws Beneath - Given by a Banuk close to the Bluegleam trader in the southeast corner of the region; right next to where you took Varga's errands.
  
• Side Quest | The Hunter's Three - After completing the "The Shaman's Path" DLC main mission, return to Burgrend at the entrance village to the region to accept this quest.
  
• Side Quest | Frontier Justice - After completing the DLC's story, you'll be able to accept this quest at the entrance village as well.

Well, have fun with the DLC exclusive machines. Fireclaws unlock late into the DLC's story.

You only need to do 1 NG+ playthrough. Both achievements unlock at once, if you've played it on Ultra Hard.
Upon selecting to start New Game+ from the main menu, you'll be asked which difficulty you want to play it on. Starting NG+ creates a new save file, and you'll still be able to continue your non-NG+ save afterwards.

The DLC section is NOT required for this, neither are the base game side missions.
(-> Yes, the heavy artillery weapon in the final mission of the game, crafted by the character Petra, IS still available, even if you never even talked to her or started her quest.)

Well, prepare yourself in the first run. All your aquired equipment and invested skill points carry over.
Since you need to earn all Blazing Suns at all Hunting Grounds for another achievement anyway, you might as well grab the Hunters Lodge's special weapons in Meridian.
Make sure to also finish the DLC region in your first run, since you'll be getting really useful equipment there.
Apart from that: Just go for it. If you've already finished the game once, you'll know what to do. The NG+ run shouldn't be longer than 10 hours at max, if you focus on the main story.



Straight forward and self-explanatory.
Have fun with Horizon Zero Dawn! =)