World War Z

World War Z

35 Achievements

1,000

150-200h

Xbox One
Xbox Series
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There are many guns but this one is mine

There are many guns but this one is mine

Open and buy final version of any weapon

20

5.54%

How to unlock the There are many guns but this one is mine achievement in World War Z - Definitive Guide

Not too difficult this achievement, just requires a little bit of time. You level up weapons by getting zombie kills and headshots with them. Once you reach level 5 on a weapon, that's when you will unlock the final version of it. Simply purchase it with the ingame currency that you accumulate from missions.

To view your weapons and weapon levels, go to Customize > Weapon Customization and then you'll see a list of all the weapons in the game, with all the levels


UPDATE:

On the latest patch you will now have to buy all previous levels of weapons in order to earn XP for the newest one. So, for example, you can only start only earning XP towards a level 3 gun, once you've purchased the level 2. Therefore you now have to buy all five of the level guns to get this achievement
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30 Apr 2019 14:01

9 Comments
Do you have to unlock both skill trees? I upgraded my assault rifle to a level 5 but it didn't pop.
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By Benzeker on 02 Jun 2019 15:09
Do I also have to upgrade Lobo Bundle weapons as well?
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By MotorexGTR32 on 04 May 2019 19:31
@MotorexGTR32 no you don’t
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By JJR0906 on 05 May 2019 11:27
I upgraded my 911 pistol to level 4, it doesn’t unlock achievement. Guess pistol doesn’t count because it isn’t level 5?
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By MotorexGTR32 on 05 May 2019 20:12
@MotorexGTR32 I had that issue, it unlocks once you’ve unlocked a level 5 gun, not sure why it doesn’t unlock level 4 ones
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By JJR0906 on 06 May 2019 11:49
Yeah it’s a bit confusing but got an achievement when I bought a 5th level pistol. Thanks for your help.
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By MotorexGTR32 on 08 May 2019 09:44
I’ve level 5 the scout rifle and pistol 1911 and still no achievement everything was bought for the guns. Any ideas? Thanks
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By SgtSparky006 on 28 Jan 2021 21:19
I got the cheevo with 1911 pistol
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By IdanST on 28 Aug 2022 07:05
I only unlocked one of each level for my scout rifle and upon purchasing the 5th upgrade, I got the achievement. So for this it appears you only need one.
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By Kanchanaburi on 04 Aug 2019 18:07
View all 9 comments Show less comments
-UPDATE/CLARIFICATION FOR 2024-

This isnt really meant as a guide (look to JJR0906's above guide for that) but more so a piece of advice to newer players like myself who thought they'd have to spend more time and credits than they'd have to in order to level up and upgrade weapons.


When the game 1st came out, each weapons max level was 5. Since then, they've updated the game and doubled the max level for all weapons pushing it to 10. However, that DID NOT change the requirements for this achievement. You still only need to reach and unlock level 5 for any given weapon in order to net you this achievement.
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14 Jan 2024 20:33

You don't need to buy all upgrades. It is enough to buy the latest one.
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24 Apr 2019 09:30

2 Comments
Unfortunately, this was fixed in update 1.03; now we need to buy all versions of weapons in a row, otherwise we do not receive experience to open the next version.
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By aidzzek on 01 May 2019 23:00
I advise you to open and buy all upgrades except the last one for each weapon (to upgrade the last modification of all guns you will need approximately 24,000 currency). After opening the possibility of upgrading all guns and with a sufficient amount of accumulated currency, we throw the save into the cloud - upgrade all the guns, get a trophy, load the save from the cloud (the trophy is already in your pocket), and with the saved currency we will upgrade the Persian classes for another trophy.
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By ADO on 12 May 2019 05:49
I don’t recommend doing it on a pistol, since the latest version is without a silencer. And we really need it on hard.
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20 Apr 2019 17:55