Spy Girls: Undercover Agent is a game of espionage where the player controls a spy. They need to keep the country safe and eliminate threats to the nation's security. The character can perform various tasks such as obtaining information, killing enemies, and evading capture by the enemy.

To complete their missions, the spies will need to use various tactics such as deceit, manipulation, and intelligence. They will also need to be able to infiltrate enemy camps, steal secret documents, and even pose as normal people in order to steal documents from other people.

The spies will need to keep the secrets of their organization and avoid getting caught by the enemy. They can do this by using various tactics such as hiding in plain sight, using double agents, and using cover stories.