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Wonderfall launches December 9 on PC: the narrative adventure set in a 1920 Paris collapsing into sand

TNF-GAMES OPPublished · Updated 2 min de lecture
Wonderfall screenshot: Léon stands in a sand-covered square facing the façade of Notre-Dame de Paris, wrapped in pale crystalline growths under a violet sky (Attaboy Interactive)
https://store.steampowered.com/app/3444810/Wonderfall/ · Crédit : Attaboy Interactive

Paris studio Attaboy Interactive will release Wonderfall on Steam on December 9, 2026 at 10 a.m. PT (7 p.m. in Paris). A demo is already available.

Wonderfall, the narrative adventure from independent Paris studio Attaboy Interactive, now has a release date: Wednesday, December 9, 2026 at 10 a.m. PT, which is 7 p.m. in Paris. The game is coming to PC via Steam; no console version has been announced. The date was revealed on November 4 with a new trailer.

What kind of game is it?

The setting is Paris in 1920. A mysterious force called Entropy is turning the city into sand, and metallic gardens are crystallizing around its landmarks. You play as Léon, a young orphan who can manipulate sand. Sent onto the Île de la Cité by his foster father Ernest, he crosses métro tunnels, streets and rooftops, explores Notre-Dame and the Sainte-Chapelle, and goes down into galleries beneath the island.

According to the studio, Wonderfall is a third-person adventure built on:
  • exploration and traversal;
  • contextual stealth and environmental puzzles;
  • sand-based abilities to reshape parts of the environment and slip past corrupted entities;
  • a story told through more than 1,000 fully voiced lines of dialogue, written logs and a few cinematic scenes.

Attaboy says a playthrough lasts 6 to 8 hours, a game "designed to be finished".

Cast and languages

The voice cast is Ryan Highley (Léon), Jeanne Pajon (Lily), Paul Bandey (Ernest) and Patrick Raynal (Wotan, founder of the Académie des Sciences Concrètes). Voice-over is in English only. Interface and subtitles are available in English, French, Italian, German, Spanish, Russian and Simplified Chinese.

Demo available now

A Wonderfall demo is already available on Steam, and the game can be wishlisted. Pricing had not been shown on the Steam page when we checked on November 9.

Video


"Wonderfall Reveal Date Trailer", official ATTABOY YouTube channel, November 4, 2026.
Légende de la vidéo




Sources

  • Attaboy Interactive press release via Games Press (November 4, 2026, checked November 9, 2026): https://www.gamespress.com/WONDERFALL-the-narrative-adventure-set-in-a-Paris-collapsing-into-sand
  • Wonderfall Steam page (checked November 9, 2026): https://store.steampowered.com/app/3444810/Wonderfall/
  • Gematsu, "Wonderfall launches December 9" (November 4, 2026): https://www.gematsu.com/2026/11/wonderfall-launches-december-9
Image: official screenshot, Attaboy Interactive (Steam).
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