Ren'Py is a visual novel engine – used by thousands of creators from around the world – that helps you use words, images, and sounds to tell interactive stories that run on computers and mobile devices. These can be both visual novels and life simulation games. The easy to learn script language allows anyone to efficiently write large visual novels, while its Python scripting is enough for complex simulation games.
Work centered on following a character through the ups and downs during a notable part of their life. There's often more of an emphasis on characterization, relationships, and a series of dramatic events than on strict adherence to conventional story structures and plotlines.