Choices made by the player radically affect the plot and general progression of the game, with the player’s morality acting as the cornerstone for the game’s development. The underground world is the home of monsters, many of whom challenge the player in combat players decide whether to kill, flee, or befriend them. Players explore an underground world filled with towns and caves, and are required to solve numerous puzzles on their journey. In the game, players control a child and complete objectives in order to progress through the story. Undertale is a role-playing video game created by American indie developer Toby Fox. Download UnderTale for free on PC – this page will show you how to download and install the full version of UnderTale on PC.