ZeniMax Halifax Ltd. (trade name: Alpha Dog Games)[2] was a Canadian mobile video game developer based in Halifax, Nova Scotia.

The company was acquired by ZeniMax Media in October 2019.

[3] ZeniMax Media was acquired by Microsoft in March 2021 and became part of Xbox Game Studios.

The studio was closed in May 2024 and Mighty Doom will sunset on August 7.

[4] This Canadian video game corporation or company article is a stub.