The Game Pass Ultimate membership costs £10.99/$14.99 per month and offers access to over a hundred games on Xbox (of course), PC and Android. You can get the first month for just £1/US$1 if you buy it separately from Microsoft.

Amazon's 40% discount on Game Pass Ultimate means you'll only pay £19.80 for three months of service (worth £32.99), saving you around £13 the total cost. 

Get the Xbox Series X with 3 months of Game Pass Ultimate from Amazon now.

We're separately keeping track of where to buy the Xbox Series X and Series S stock here.

Sony fans can also keep an eye on where to buy the PlayStation 5 here.