Common Sense Media gives Sea of Thieves a rating of 4 out of 5 stars, noting that the game is suitable for players aged 12 and up. They praise the game's cooperative gameplay and immersive world, but caution that there is some violence and combat that may not be suitable for younger players. Additionally, they mention that there is the potential for online interactions with other players, which could include inappropriate language or behavior. Overall, Common Sense Media recommends that parents talk to their children about online safety and monitor their gameplay to ensure a positive experience.