This modification for the popular rhythm game was released on April 29, 2021, for PC (Microsoft Windows). As a mod, it introduces new content and experiences created by the community, specifically integrating characters and themes from the Undertale fan universes known as Underverse and XTale. The mod builds upon the original game's mechanics by offering a unique crossover narrative and musical arrangements.

The core experience revolves around rhythm-based battles where players must match on-screen prompts in time with the music. This mod provides a fresh challenge and aesthetic for fans of both the parent game and the incorporated universes.

What is the core gameplay loop?

The gameplay centers on rhythmic precision. Players engage in musical duels, mirroring directional inputs that appear on screen in sync with the music. Success is determined by the accuracy and timing of these inputs. This mod introduces new songs and character matchups, each with its own distinct musical style and charting patterns.

What new content does this mod offer?

This modification enhances the base game by incorporating characters from the Underverse and XTale universes. It features previously released content, such as the songs "Overwrite" featuring X Chara and "Inking Mistake" featuring Ink!Sans. A notable addition is a custom RPG-style overworld, offering a different way to navigate and engage with the game's content. Furthermore, the mod includes improved charting tools and introduces a new character, X Gaster, complete with his own theme song, "Relight."

What makes this mod stand out?

The primary appeal of this mod lies in its ambitious crossover content, bringing beloved characters from specific Undertale fan universes into the rhythm battle format. The inclusion of an RPG overworld adds a layer of exploration and progression not typically found in standard mods, alongside the introduction of new characters and original music tracks that cater to fans of the incorporated lore.

What are the key features?

New Characters and Music

Players can experience new musical battles featuring characters like X Chara, Ink!Sans, and the newly added X Gaster, each with their own unique songs and visual presentations.

RPG Overworld

A custom RPG overworld provides an interactive environment for players to explore and access different game modes or story elements.

Enhanced Charting

The mod utilizes improved charting tools, potentially offering more complex and engaging note patterns for players to master.