Without Warning throws you into intense military action with a story that unfolds over the over the course of a 12-hour period. A terrorist group intends to blow up the Peterson-Daniels chemical plant in order to draw attention to its cause. Three counter-terrorism experts are sent in to foil the plan, and collect three civilians who were in the wrong place at the wrong time. When all hell breaks loose, this group of six are the only ones who can rescue the hostages, secure the plant and save the world from ecological disaster.

Features:
- Shoot and run through 15 levels of deadly, realistic combat
- Use a wide range of realistic weaponry, from pistols and shotguns to assault rifles
- Rise to the challenge by managing your team properly - Use the bomb disposal expert, the terrified secretary, the cameraman and others as effectively as possible