Birthdays the Beginning is a sandbox game that allows players to manipulate a cubic world to cultivate life. Developed by Arc System Works and Toybox Inc., and released in 2017, the game offers a unique simulation experience. Players shape the terrain to alter the world's temperature and environment, enabling various life forms to evolve and thrive, from single-celled organisms to complex multicellular life, including plants, dinosaurs, and mammals. As time progresses, players witness the rich tapestry of life's history unfold in their miniature world.