Homeworld: Cataclysm is a sequel to the original game. The graphics have hardly changed at all, since the engine remains the same. The interface has been slightly improved. The developers have slightly redesigned the controls, adding a few additional buttons. They also introduced the ability to speed up gameplay by 8 times. The Mother Ship was replaced by the Command Ship. It can move and shoot (the previous ship could not move). He has a plasma cannon that allows him to effectively repel enemies. Combat vehicles can now have special abilities. They become available after units are upgraded. The developers also completely abandoned fuel (this is explained in the lore) and therefore cut out the mechanics with forced docking.

The genre of the video game has not changed. This is still the same three-dimensional space strategy in real time, allowing you to move your fleet in all three dimensions. This RTS has been rebalanced. The plot in the video game Homeworld: Cataclysm is noticeably different from the original. It is presented through in-engine cutscenes and black and white cutscenes. Initially, this was supposed to be a small addon, but in the end the creators added a lot of content and decided to release a full-fledged sequel. New events begin 15 years after the end of the previous homecoming story. The story centers around the Somtaau clan of miners, whose representatives found a capsule and released an unknown and dangerous virus. Taidan and Kushan are not playable here, although they also appear in this sequel. The campaign consists of 17 different missions. Their assignments are constantly changing.