The Secret Service is a stealth action game in which players can become Eggsy, go on an extensive campaign, and infiltrate a multitude of enemy bases, all while trying to protect their headquarters.

It is the story of Eggsy, a spy sent to various locations to steal information while trying to protect his base from attack.

The gameplay is similar to King of Thieves. You must steal various items from other bases and protect your base from enemy attacks.

It is also similar to Gunpoint in that you have to build a base and hire guards.