In this game, players take on the role of an alien catcher, tasked with capturing and containing extraterrestrial creatures that have invaded a futuristic city. The player's objective is to navigate through the city's streets, avoiding obstacles and hostile aliens while capturing the escaped creatures.
The gameplay involves scanning the city for aliens, using a scanner to locate and track their movements. The player must then chase down the aliens, using a variety of tools and equipment to capture and contain them safely. The game runs directly in the browser, requiring no download or registration, allowing players to jump in and start catching aliens immediately.