I probably missed something, and it'll already be outdated tomorrow, but these are the games I could find that were 'confirmed' for a 2023 Game Pass release. : r/XboxGamePass
Will NBA 2K24 release on Xbox Game Pass?
Games Leaving Xbox Game Pass October 2023
2023 Newest Microsoft Xbox Series X–Gaming Console System- 1TB SSD Black X Version with Disc Drive Bundle with NBA 2K23 Full Game and MTC8 High Speed HDMI Cabel
Coming to Xbox Game Pass: Madden NFL 23, Atomic Heart, Mount & Blade II: Bannerlord, and More : r/Games
Xbox Game Pass October 2023: Schedule of Confirmed Titles
Fact Check: Is WWE 2K23 available on Xbox Game Pass?
Is NBA 2K24 Coming to Game Pass? - Operation Sports
Free Play Days – Far Cry 6 and NBA 2K23 - Xbox Wire
NBA 2K23 Jordan Challenge - All Games, Rewards, And Challenges - GameSpot
Xbox announce FIFA 23 and more games arriving Game Pass in May - Pulse Sports Nigeria