The Homeworld Series is a collection of real-time strategy video games developed by Relic Entertainment and published by Sierra On-Line. The series debuted in 1999 with the original Homeworld, which introduced players to 3D space combat and resource management. Players control fleets of starships, engaging in tactical battles while exploring a rich narrative centered around the Hiigaran civilization. The series includes several titles, such as Homeworld: Cataclysm and Homeworld Remastered Collection, which updated the graphics and gameplay of the original games. The franchise is known for its innovative mechanics, engaging storylines, and a strong fan base, making it a significant part of gaming history.