Player at Undertale download full game can choose to show mercy to monster, if they do, monster will be spared. If player chooses to fight, they will enter a battle where they must use child's skills to defeat monster. Child will encounter various monsters, they must choose whether to fight or flee. Player controls child character as they explore underground world. Graphics are not realistic, but they are still well-done, pleasing to look at. Color palette is very bright and cheerful. Sprites and backgrounds are all hand-drawn. Art style is influenced by sprite-based games from 16-bit era.

Animations are smooth, game's overall aesthetic is pleasing. Sprites are well-detailed, colors are bright and vibrant. Graphics in Undertale free download are 16-bit, which gives game a retro feel. Child must find their way back to surface, in doing so, they must make choices that will determine child's fate. Player takes on role of a human child who falls into underground world of monsters. Product is a role-playing game that takes place in a world where humans and monsters live side-by-side. Software was created by Toby Fox, who was responsible for music in game. Undertale is an independently developed video game that released in September of 2015.