While praised for its massive scale and diverse roster, Soulstorm received mixed reviews compared to earlier expansions.

: A fanatical Imperial faction that utilizes a unique "Faith" resource to unleash powerful "Acts of Faith" spells on the battlefield.

: Unlike Dark Crusade , buildings constructed during a battle do not remain for future defensive missions in that territory, forcing a more defensive or reinforcement-heavy playstyle. Critical Reception and Legacy

Soulstorm introduced two new playable factions, bringing the total roster to nine:

: To win, a player must conquer all eight enemy strongholds. Controlling specific provinces provides unique racial powers and planetary requisition for reinforcing territories.

The single-player campaign expanded the "Risk-style" meta-map from its predecessor, Dark Crusade , to an interplanetary scale.