They must combat monsters and the game changes according to the decisions made by the player.
The game involves players controlling a child who has fallen underground and helping them to return to the surface of the Earth by undertaking a variety of quests in different levels and settings. It is suitable for platforms including OS X, PlayStation 4, Nintendo Switch, PlayStation Vita, Linux, and Microsoft Windows. The role-playing video game ‘Undertale’ was created by indie developer Toby Fox and released on September 15, 2015.