The Last of Us Part 1 guide and walkthrough

The Last of Us Part 1 screenshot PS5 — (Image credit: Sony Interactive Entertainment)

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Safe codes
Supplements
Training Manuals
Weapons
Weapon upgrades
Tools
Keycard
Artifact collectibles
Firefly Pendants
Comic Books

Use this The Last of Us Part 1 guide to help you through the remake and get all the collectibles necessary to attain 100% completion. We've laid out the locations for pretty much every essential item and collectible out in the post-apocalyptic wasteland, from tool locations and keycard puzzle guides, to safe codes and comic books. There's a lot to look out for but if you're armed with the knowledge found in the links below, this The Last of Us guide should increase your chances of survival, and will help out any aspiring completionists looking to gather everything the game has to offer.

Safe codes

There are four The Last of Us safe codes and combinations in the game: each consists of a safe and a combination hidden away elsewhere. The last thing you want is to have one and no idea where the other is. So to help you find and open all 4 - in the Outskirts, Bill's Town, Pittsburgh and Suburbs - we've got directions, locations and all the rewards you can earn here. We've also just got the codes if you want to cut out all the actual work.

Supplements

The Last of Us supplements boost really important skills that can help keep you alive. The let you increase your health, listening distance, crafting speed and so on. They even let you unlock the ability to use a shiv to escape a clicker if you get grabbed which is basically essential. The more of these pills you find, the stronger you get and the easier you'll survive. There are loads too, over 500, and we've got all the locations in this guide.

Training Manuals

The Last of Us Training Manuals upgrade Joel's gear - find the right ones and you can reuse shivs, improve weapon upgrades, increase melee damage, or boost blast areas for bombs and Molotovs. You basically want them all, as they're all extremely useful, and this guide lists where to find them all.

Weapons

There are some trusty The Last of Us weapons you'll probably fall back on a lot - things like the revolver or hunting rifle. However, it's good to have back up options and while some guns are unmissable, there are some you can find sooner rather than later, or potentially miss out all together. This guide has every weapon location to get you tooled up as fast as possible.

Weapon upgrades

You'll want to find all the The Last of Us weapon upgrades to get the best out of your guns. They increase things like fire rate or reload speed, and generally enhance what any given weapon gets better at - so more armor piercing power, say, or better spread for a shotgun. You're basically not getting the best out of your gear unless you find them and we have how to do that here.

Tools

Upgrading your weapons is important but you need The Last of Us Tools to effectively 'level up' your upgrade ability and increase various weapon attributes fully. There's only five in the entire game though and if you miss one, you've missed it. So we've got where to find them all here.

Keycard

The Last of Us keycard is confusing because it's something the game only does once, meaning it's easy to not be entirely sure what you're looking for. Not to mention the fact there are stalkers and a Bloater to worry about while you're working it all out. The short version is there's a door you can only open with mysterious key but having never done it before it's easy to have no idea what you're meant to be looking for, so let us take the guesswork out of that and show you where to find it.

Artifact collectibles

The Last of Us artifact collectibles are pure collectible fodder: notes, letters, pictures and objects that Joel and Ellie can find to flesh out the world. Each one tends to tell a story or fill out some lore, so they're worth finding if if you want to know everything, or need to 100% the game. There are over 80 artifact collectibles in the game and our guide lists all their locations.

Firefly Pendants

The Last of Us Firefly pendants are another pure collectible. There are 31 in total (though one of those is a secret one you get as part of the story), and are often difficult to find because they're tiny and usually in hard to reach areas. Fortunately, we've got all their locations here for you.

Comic Books

The Last of Us comic books are another collectible in the shape of a Savage Starlight series Ellie starts reading after Bill's Town. Finding the whole series becomes its own mini side-quest and with only 14 issues to find it's a much more achievable goal than some, and while you can't read the comics in their entirety, the back covers tell their own story and even comment on the plot of The Last of Us Part 1 itself.