"Shoot 'em up" is a term used to describe an action-packed film or video game where the primary focus is on gun fights and explosions. Other common synonyms for this term include "action-packed," "adrenaline-fueled," "violent," "high-octane," and "explosive." These descriptions are often used in the marketing of such films and games to attract audiences who enjoy intense, fast-paced action. Some other informal terms used to describe this type of entertainment include "action flick," "gun show," and "blow 'em up." While the violence in these types of media can be controversial, they remain popular choices for many audiences seeking an exciting and thrilling experience.