Notre-Dame still anchors the horizon in Wonderfall, but its silhouette is coming apart. In an official screenshot, fragments hang above the cathedral while Léon stands in a purple-hued street below. Attaboy Interactive's adventure turns a familiar Paris landmark into a sign that something is deeply wrong with the city.
The Paris-based developer announced on November 4 that Wonderfall will launch on Steam for PC on December 9, 2026. Its new trailer also introduces the voices of Léon, Lily, Ernest and Wotan.
Attaboy Interactive's official release-date trailer for Wonderfall.
Project: Wonderfall
Production: Attaboy Interactive
A landmark reshaped
The story takes place in a reimagined 1920 Paris, where a force called Entropy is consuming the city and metallic gardens are forming around old landmarks. Attaboy says it recreated locations on the Île de la Cité before taking creative liberties with their transformation.
Glowing fragments stand out against the ruins in a second official screenshot.
Project: Wonderfall
Production: Attaboy Interactive
Wonderfall artwork: Attaboy Interactive. Rights holder and separate editorial reuse permission unconfirmed.
The contrast gives the setting its visual hook: recognisable architecture provides a sense of place, while suspended fragments and altered streets make that place feel unstable. The game also takes Léon through métro tunnels, rooftops and spaces beneath the island.
The material becomes a tool
Léon is an orphan who can manipulate sand, the same material overtaking Paris. According to the developer, his abilities help him reshape parts of the environment, navigate around threats and solve environmental puzzles.
Attaboy's announcement names Ryan Highley as Léon, Jeanne Pajon as Lily, Paul Bandey as Ernest and Patrick Raynal as Wotan. A demo is listed on Steam for players who want an early look at the city.
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