User reviews of The Last of Us were mixed, with some praising the realistic characters of Joel and Ellie but others finding the gameplay repetitive or violence off-putting. Critics praised the character development and relationship between Joel and Ellie, calling it the game's strongest element, but some felt the gameplay was overly generic or the multiplayer unbalanced. Overall reviews commended how the game's mechanics and design immersed players in a rich, complex world supporting a visceral narrative, though room for improved AI was noted.