The takeawayThe anniversary material is about how Hades II was made and scored; it is not an announcement of a new gameplay expansion.

A development story gets its own sequel

Supergiant’s September 25 anniversary post introduces Developing Hell II, a multipart Noclip documentary about the making of Hades II. Noclip previously followed the original game in Developing Hell.

The announcement frames the series as a look at the studio’s largest project, rather than a new content update. It links the first episode for viewers who want to examine the production process.

The music has another route out of the game

The same post links a full video of Ballads of the Underworld, the orchestral concert staged at London’s Royal Festival Hall in June. The program includes music from both Hades games and other material.

Supergiant also says it plans an album for purchase and free streaming wherever its music is available. That is a separate distribution plan from the concert video already linked in the announcement.

Our analysis: two ways to revisit the game

The documentary and the concert suit different kinds of attention. For the documentary, look for a concrete design problem, the alternatives the team considered, and the result shown on screen. That helps distinguish a production decision from a retrospective explanation. A camera inside a studio can offer valuable access without turning every account into the only possible interpretation of a game.

For the concert, consider listening separately from playing before comparing the two experiences. In a game, concentration is divided between action and sound; a performance gives the arrangement more space. This is a suggested way to engage with the material, not a claim that we have reviewed either video. The September 25, 2026 post links both videos, while its album was described as a plan in that post. Check for a later album announcement before assuming the audio release has already happened.

The sources, on the record.

Sources checked Oct 15, 2026. Reporting and analysis are labelled separately. Our editorial standards.