Undertale Symphony as the 2026 world tour nears: what’s confirmed, where it’s headed, and what ticket buyers should watch

undertale symphony is moving from a fan-favorite concert concept into a full international tour in 2026, with ‘Undertale: The Determination Symphony’ confirmed to open on August 23, 2026 in San Jose, California, before routing across multiple regions including the UK, Asia, and Australia.

The production is framed as an orchestral presentation of Toby Fox’s soundtrack, performed by a 25-piece orchestra in new arrangements, accompanied by gameplay footage shown above the stage. Organizers and promotional materials position it as a guided musical journey through the game’s settings and story beats, and audiences are encouraged to attend in cosplay.

What happens when Undertale Symphony expands into a four-continent orchestral run?

‘Undertale: The Determination Symphony’ is described as an international concert tour bringing the game’s score to concert halls worldwide. The show is curated by Toby Fox and built around new arrangements performed live by a 25-piece orchestra, with gameplay footage displayed on a screen above the stage.

carried in tour materials, Fox emphasizes the appeal of hearing the music performed by skilled professionals for a listening audience. The format also highlights a narrative-like progression through the game’s locations—Ruins, Snowdin, Waterfall, Hotland, and New Home—aiming to translate characters, battles, and emotional moments into a live music experience.

The tour is being organized by the same team associated with the Stardew Valley concert series. Production and development credits connected to the concert include Lambert Jackson and Materia Music for the 10th anniversary of the game’s 2015 release, with arrangements conceived by Adam Hoskins and later updated with additional scoring for the world tour.

What if you’re planning travel: which dates are confirmed, and what’s still pending?

Confirmed routing begins in North America on August 23, 2026, with additional dates spanning the U. S. and Canada, then moving into Europe and Asia in September, and later reaching Australia in November. The run is also expected to include more stops that are not yet announced.

Confirmed dates listed for ‘Undertale: The Determination Symphony’ include: August 23 (San Jose, California); August 23 (Toronto, Canada); August 28 (Los Angeles, California). September 2 (Kansas City, Missouri); September 2 (Austin, Texas); September 3 (Indianapolis, Indiana); September 4 (Dallas, Texas); September 5 (Chicago, Illinois); September 6 (Denver, Colorado); September 6 (Calgary, Canada); September 8 (Salt Lake City, Utah); September 15 (Cleveland, Ohio); September 19 (Boston, Massachusetts); September 20 (Philadelphia, Pennsylvania); September 21 (Rotterdam, Netherlands); September 22 (Singapore); September 22 (Paris, France); September 25 (Atlanta, Georgia); September 26 (London, UK); September 27 (Manchester, UK); September 28 (Birmingham, UK). October 4 (Nashville, Tennessee); October 5 (Portland, Oregon); October 6 (Seattle, Washington); October 10 (Las Vegas, Nevada); October 10 (Vancouver, Canada). November 1 (Washington DC); November 7 (Newark, New Jersey); November 20 (Montreal, Canada); November 20 (Melbourne, Australia); November 27 (Sydney, Australia).

Additional cities named as still to be announced include Dublin, Germany, Glasgow, Shanghai, Kaohsiung, and Bangkok. Separate tour materials also highlight Singapore and Bangkok as part of the Asia routing, reinforcing that further details for some stops are pending.

Because some locations remain unannounced, readers planning long-haul travel may want to treat the schedule as incomplete and expect further tour updates as organizers finalize venue and city details.

What happens when tickets open: when are presale and general sales expected?

Ticket timing is outlined in tour materials as a near-term on-sale window relative to the announcement. Presale for most concerts is listed for March 18, with most tour dates scheduled to go on sale March 19 at 10 a. m. local time.

For readers using Eastern Time (ET), the key point is that the stated on-sale time is “local time, ” meaning the exact moment will vary by city and country. If you are buying from ET, you will need to convert from each venue’s local clock rather than expecting a single uniform ET drop for every date.

Beyond ticketing, the live show is also positioned as a merchandise moment: exclusive new merchandise is expected to be available for purchase at concert venues, and fans are explicitly encouraged to attend in Undertale cosplay.

What if the show evolves before opening night: what’s fixed, and what could still change?

Several core elements are presented as fundamental to the production: a 25-piece orchestra, newly arranged music, and gameplay footage displayed above the stage. The framing as an emotional journey through the Underground—moving from early areas to late-game moments—is also consistently emphasized in tour descriptions.

At the same time, the public information leaves clear room for change in the details that matter to planners. Some cities are listed as still to be announced, and on-sale timing is described as applying to “most” concerts, not all of them. That creates a reasonable expectation that some dates may follow different ticketing schedules or reveal information later than others.

What remains consistent across all materials is the stated intent: to bring Toby Fox’s soundtrack into concert halls worldwide with professional orchestral performance, a synchronized visual component, and a fan-forward atmosphere built around celebration, cosplay, and venue merchandise.