Xbox Game Pass has long been the key differentiator for Microsoft's gaming business, offering an alternative subscription-based store against Steam on PC, and offering heaps of value on console against PlayStation with its day-one games pledge. That covenant has been undone now, though.

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It’s all pretty confusing, but some new filters that were just added to the Xbox website allow us to see what this all means in practical terms. Firstly, you can see that the Xbox Game Pass Standard library is currently comprised of 370 games, which is 138 fewer than the 508 included with Ultimate and the old Console tier.

Microsoft has overhauled Xbox Game Pass, so here’s what to know about each of the service’s four tiers and which one offers the best value.

There is another caveat, that Microsoft has seemingly arbitrarily picked a few dozen games, many of them big titles, that are not included in Xbox Game Pass Standard,