Factory for Insurgency: Sandstorm is a mod designed for Windows that enhances the gameplay experience of the base game by introducing a new fictional setting in a Middle Eastern town. This mod features a snow map with dynamic objectives, ideal for large-scale gameplay. The storyline revolves around a Security team sent to investigate a business center after losing contact due to a snowstorm, allowing for immersive tactical gameplay that emphasizes teamwork and strategy.

The mod offers various gameplay modes including Co-Op, Versus, and Hardcore options, catering to different player preferences. Players can engage in scenarios such as Checkpoint Security, Survival, and Domination, with the ability to switch between day and night lighting. The extensive list of scenarios ensures a diverse range of challenges, making it a compelling addition for fans of Insurgency: Sandstorm.