This guide outlines how to access Undertale, the renowned indie RPG. Whether revisiting familiar characters like Sans or discovering Toby Fox’s unique creation, follow these steps to install the game and begin your unconventional journey.
Obtaining Undertale for Nintendo Switch
Undertale is available on Nintendo Switch for $15/£12 via the eShop. Purchase, download, and start exploring the underground world. Ensure your console has sufficient space before proceeding.

Mobile Availability
Mobile versions of Undertale for iOS and Android are not currently available. While the game’s modest requirements suggest mobile compatibility, development focus remains on other projects.
Steam Version Details
Steam offers Undertale as a ‘Playable’ title on Steam Deck. Minor control prompts may appear, but gameplay remains smooth across Valve’s handheld device.
Free Access Limitations
Undertale isn’t available as a free download. However, Deltarune Chapter 1, Toby Fox’s subsequent project, offers a complimentary experience on Switch and PC.
Storage Requirements
Storage requirements are minimal: 220MB on Switch. Both Switch’s internal memory and expandable storage via MicroSD easily accommodate the game, as does Steam Deck’s base storage capacity.