Usually codes should be redeemable via the Bethesda account (https://quake.bethesda.net/en) or the Steam library. But unfortunately I have no idea what kind of account you get with Game Pass. If all else fails you could try to ping u/SyncError, he's a/the developer and often willing to help. Source: almost 2 years ago

Here you go man! I found this through the official Quake.com home page. Source: about 3 years ago

I hate this (I have to be yet another internet-bitchin' citizen, but seriously, why getting rid of essential features) - I personally do NOT want any US or, as you mentioned, any UK offers - not all of those sellers use the Global Shipping Program, so I cannot have it properly sorted when sorting by the price and shipping, so I get a lot of noise in my searches. Hopefully that data is available through some API... Source: about 1 year ago

You can use picclick.com and search chuck e cheese or showbiz pizza and animatronics pop up, maybe you will be lucky to find billy bob at some point. Source: over 1 year ago

A small thing: PicClick claims to "Search eBay Faster". Good luck! _^. Source: almost 2 years ago

Oooh, just thought of something else. I kind of hate eBay's native search engine so I've been using PicClick to search there more efficiently. Source: almost 2 years ago

Anyhow, I do a reverse image search and it matches to a site that allows you to browse through eBay. But of course, I can't find that image when I go there but the image file name seems to have an item number. Source: over 2 years ago