Combine Overwatch is a mod designed for Cortex Command that introduces elements from the Half Life 2 universe, particularly the notorious Combine military faction. Players can engage with various units, including standard Combine soldiers, Combine Sweepers, and a new unit called the Combine Support. The mod also features custom jetpacks, the Combine Elite, and the AR2 Pulse Rifle, enhancing the strategic options available in gameplay. Additionally, the mod includes vehicles such as Combine APCs and Hunter Synth units, providing players with more tactical choices.

The mod is fully compatible with Weegee's UnmappedLands2 and VoidWanderers, ensuring that players can seamlessly integrate it into their campaigns. Custom loadouts for the default campaign are also available, allowing for personalization of gameplay. Adjustments made in the mod, such as improved durability for actors and the inclusion of powerful weapons like the RPG, contribute to a more balanced and engaging experience. Overall, Combine Overwatch significantly enriches the Cortex Command experience with its diverse features.