The antonyms for plays games with are straightforward with, honest with, and truthful with. When someone is straightforward with you, they tell you what they are thinking or feeling without any hesitation or deceit. They will not trick you or lead you on with games. Similarly, when someone is honest with you, they will tell you the truth, even if it's difficult to hear. And when someone is truthful with you, they will not hide anything or twist their words to make you think something different. These three antonyms all describe a relationship that is genuine and free from manipulations, games, and other deceptions.