A secret agent named Guy is to complete a series of difficult missions today. In the game Secret Agent Guy you will help him on this adventure. The sea surface will be visible on the screen in front of you. Your character will be underwater at a certain depth. He will have an oxygen tank on his back and a speargun in his hands. Using the control keys, you will make your hero swim forward. Look at the screen carefully. Deep-sea mines will appear in front of you, which your hero will have to float side by side. If you come across enemy divers, then by shooting them with your gun, you can destroy them. For this you will be given points and you will go to the next level.