Mortal Kombat 1 is among the games being added to Xbox Game Pass, with some outlets reporting it will be available on December 10th. Other games, including Death Howl, Dome Keeper, and Routine, are also expected to join the service, although the exact lineup and release dates are not universally confirmed. The additions are part of the Xbox Game Pass lineup for December 2025, which may include additional titles such as Marvel Cosmic Invasion and Lost Records: Bloom and Rage.