Right, let's look at the list of all four Xbox games being delisted in May and June:
Plus:
There are things to be aware of about each of the four main games here — Pinball FX3 is indeed being delisted, but it's an older version of the series that's since been replaced by newer games, Rec Room is an online-only free-to-play game which means that when it's delisted, its servers will go offline too (and the devs have already blocked new signups for it), we've already talked about Battlefield Hardline, and then the "original version" of Horizon Chase Turbo is being delisted on June 1st, but we still wonder if it might survive as part of a new "Horizon Chase Turbo - Ayrton Senna Edition" bundle that was literally just released on April 28th.
Here's a look at the original delisting announcement for that game:
You might have seen that we mentioned The Outer Worlds as well, which is getting partially delisted on some platforms, but we think it'll remain mostly intact on the Xbox Store. The big thing to be aware of here is that if you own The Outer Worlds by May 27th, you'll get a free copy of The Outer Worlds: Spacer's Choice Edition for Xbox Series X|S.
In addition, we recently spotted that Cars 3: Driven to Win was unexpectedly delisted on the Xbox Store without warning. That one's unfortunately just gone — the store page exists for it, but it just says it's "not available separately".
You can't always prepare for this stuff, but we'll certainly keep an eye out for the rest of May and June and let you know ASAP if we spot any major delisting announcements over the next few weeks.