It Takes Two is an action-adventure platformer video game developed by Hazelight Studios. It's specifically designed for cooperative play, meaning two players must work together to progress through the game.  

Here's a breakdown of its key features and gameplay:

• Cooperative Focus: It Takes Two is built from the ground up for two players, either locally (split-screen) or online. Players control either Cody or May, a married couple on the verge of divorce who are magically transformed into dolls.  
• Unique Gameplay Mechanics: Each level features unique gameplay mechanics tailored to the characters' abilities. These mechanics often tie into the narrative and the environment, ensuring that gameplay stays fresh and engaging.  
• Narrative and Themes: The story explores the complexities of relationships and communication. As Cody and May navigate fantastical environments, they must overcome challenges together, both in the game and in their relationship.  
• Variety of Genres: It Takes Two blends platforming with elements from other genres, such as puzzles, action, and even some light combat. This variety keeps the gameplay dynamic and unpredictable.  
• Accessibility: While offering engaging challenges, the game is designed to be accessible to a wide range of players, making it a great choice for couples or friends with varying gaming experience.

It Takes Two is celebrated for its innovative co-op mechanics, imaginative level design, and heartwarming story. It's a game that emphasizes collaboration and communication, offering a unique and memorable experience for players who team up to explore its whimsical world. The tagline "Friends Join Online Co-op for Free" suggests that the game may offer a feature where a friend can join the game online without needing to purchase it, possibly through a friend pass system.