This is about the main Halo series, not Halo Wars.

The last Halo game released on 2021 December 8. The one before that released on 2015 October 27.

According to rumors, the Tatanka project was recently cancelled.

Details:

• Resolves when it is played by at least 10k users, of a variety of professions

• Limited-time-window beta tests, after which the game is no longer playable, don't count.

• Must be a first person shooter game, not a Halo Wars or Spartan Assault game.

• Must be playable with a controller and/or mouse + keyboard.

• Must be narratively connected to another Halo product, or be a Halo reboot.

• Spiritual successors don't count.

• Must be officially licensed.

• Must be big budget software, not a mod or fangame.

• Must not be a remake or anniversary edition.

• Must not be DLC or a expansion for a existing game.

• If we get to 2030 January 1, the '2030 or later' option will resolve Yes.

• Update 2025-10-28 (PST) (AI summary of creator comment): Halo Campaign Evolved will not count for this question.