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+# G0t_A_IO
+
+## Write-up
+
+The challenge description says that:
+
+```php
+Just some old memories between Me and @niiirvox
+```
+
+it gave us a username `@niiirvox` and it says `Me` which is the author `SlyPex` we can get the author’s accounts from his discord profile.
+
+![Untitled](images/Untitled.png)
+
+After checking sevral social medias we found in twitter a tweet and a reply between `@niiirvox` and  `@Sly_Pex` which contains the following
+
+![Untitled](images/Untitled%201.png)
+
+So apparently the old memories is about a game which they played together and they made a lot of skins, they gave us some useful informations on how to solve the challenge
+
+They gave us :
+
+1. The skin name is `shellmates` and since it’s named like that it surely containes something related to the challenge
+2. How to get the skin is by finding the discord server of the game.
+
+Now we have to find what’s the game and since we have no clue we have to do more osint about `@SlyPex` and `@niiirvox`.
+
+Moving to more platformes and we found something interesting in the author’s youtube channel throught his accounts from discord.
+
+![Untitled](images/Untitled%202.png)
+
+A video from 4 years ago which pretty old and looks like a game.
+The video itself doesn’t contain anything interesting unlike it’s description where we can notice two things
+
+![image.png](images/image.png)
+
+1. The word `[Gota.io](http://Gota.io)` repeated too many time it may be the name of the game
+2. The game may be `[Agar.io](http://Agar.io)` Cause youtube detected it.
+
+There’s only one thing can confirm what is the game we’re looking for which is the challenge’s name `G0t_A_IO`. when we comapre it to the word we found it in the description of the video they’re alike, so it’s high likely to be the game we’re looking for.
+
+Here’s their website and we can notice the discord icon in the top right corner.
+
+![Untitled](images/Untitled%203.png)
+
+Let’s hop in their discord server looking for the skin.
+
+![Untitled](images/Untitled%204.png)
+
+Moving around in their discord server we can find the `#skin` channel
+
+![Untitled](images/Untitled%205.png)
+
+The description of the channel says to use `/skin` to view skins , it must be a command to check skins.
+let’s try `/skin shellmates`:
+
+![Untitled](images/Untitled%206.png)
+
+And there’s the skin we’re looking for.
+
+## Flag
+
+`shellmates{y0U_7rUely_g0T_$0M3_0S1NT_$k1ll$}`
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