Deus Ex: Invisible War is an action-adventure game that continues the narrative approximately 20 years after the original Deus Ex. Players navigate a world recovering from a global depression, where factions vie to shape future governance. The game emphasizes player agency, allowing for non-lethal resolutions and ethical choices that influence a dynamic, non-linear story.Players utilize biotech modifications for enhanced abilities, such as wall-penetrating vision or increased jump height. Gameplay incorporates stealth mechanics where darkness and sound impact enemy detection. The game permits multiple approaches to objectives, enabling variable playstyles and non-linear progression across real-world inspired locations like Seattle, Antarctica, and Cairo.