Microsoft is set to release a variety of games on Xbox Game Pass in December 2025, with many transitioning from the Ultimate tier to the Premium tier. The games include:
- December 2: Lost Records: Bloom & Rage (Game Pass Premium, PC Game Pass)
- December 3: Monster Train 2 (Game Pass Premium, PC Game Pass)
- December 3: Spray Paint Simulator (Game Pass Premium, PC Game Pass)
- December 4: 33 Immortals (Game Preview) (Game Pass Premium, PC Game Pass)
- December 4: Indiana Jones and the Great Circle (Game Pass Premium, PC Game Pass)
- December 4: Routine (Game Pass Ultimate, PC Game Pass)
- December 9: A Game About Digging A Hole (Game Pass Premium, PC Game Pass)
- December 9: Death Howl (Game Pass Premium, PC Game Pass)
- December 9: Dome Keeper (Game Pass Premium, PC Game Pass)
- December 10: Mortal Kombat 1 (Game Pass Premium, PC Game Pass)
- December 11: Bratz: Rhythm & Style (Game Pass Premium, PC Game Pass)
Routine is exclusively available to Game Pass Ultimate and PC Game Pass subscribers. The subscription pricing is as follows:
- Xbox Game Pass Ultimate – .99/month
- Xbox Game Pass Premium – .99/month
- Xbox Game Pass Essential – .99/month
- PC Game Pass – .49/month
New games recently added include CloverPit, Marvel Cosmic Invasion, Total Chaos, and Young Suns, with the latter being a Day One title on Ultimate and PC Game Pass. The Essential tier has also added Stellaris, World War Z: Aftermath, and Medieval Dynasty.