Gamer in Sea of ​​Thieves goes to explore the sea, finding various jewelry and whole treasures. The atmosphere is imbued with pirate motifs. Before you start, you need to select a character that is generated randomly. They differ in body type, skin color, appearance and gender. Events take place on an inhabited island where the protagonist finds himself. Having woken up, the ghost of the Supreme Pirate, who is a guide, stands in front of him. He will tell you about the features of the gameplay. You will need to wander around the open world, finding treasure with the help of ancient maps. There are various mini-games based on hunting and fishing. You have to communicate with the characters, making decisions during dialogues. This affects further events. You can meet mermaids in the game.

The player in Sea of ​​Thieves is offered the following:

• Collect equipment – pistol, blunderbuss, long-range shot, saber.
• Use objects – a bucket, a lantern, a telescope, a pocket watch, a compass, a mug, a megaphone, a fishing rod, a shovel, musical instruments.
• Control of ships – sloop, brigantine and galleon.
• Catching animals – chicken, pig, snake, fish, parrot, monkey, cat, dog, bat, seagull.
• Battles with enemies – shark and different types of skeletons.

The gamer has to form a team so that a new ship appears. Control comes down to the following: raise the anchor, as well as the sails. With which you can develop greater speed. In addition to ordinary opponents, you will encounter powerful bosses. Skeleton ships are eager to lower the main character's ship to the bottom. The predatory megalodon shark circles the vehicle, waiting for the moment of attack. A huge kraken attacks with its tentacles.