HanaHana 花華

HanaHana 花華 is an artistic VR experience created by the artist Mélodie Mousset. The beta version developed together with VR engineer Naëm Baron was released in 2017.

The Guardian

Imagine if Minecraft & Tilt brush met in a Salvator Dali painting. You are the first person player in HanaHana 花華. You are the life-force in a desert sandbox gameplay. Thanks to the simple mechanic and the eery soundscape, the immersion is instantaneous. Embodied in a cloud of molecules, you are granted the ability to teleport and to create. With teleport you can explore everywhere, with create you can grow… hands, chain of hands and everything you can think of from this root component. Take part in an harrowing and thrilling journey into the depths of your mind, body and senses and be part of a unique collaborative art piece in VR.

In the first version of HanaHana 花華, creations are persistent : in each iteration of the experience, community of users collectively co-create a new, hand-made metaverse.

The game takes its name and inspiration from the famous manga “One Piece” in which the character Nico Robin has the power to infinitely sprout and replicate her own body parts on any visible surfaces thanks the magic of the Hana Hana no Mi devil fruit. The VR game grants the player with the powers of Nico Robin to experience for themselves the excitement, the awe, the fear, emerging with the multiplication of our physical body in the digital space.


  • Room-scale, first person view Virtual Reality. Playable in walking or sitting position.
  • Collaborative sandbox gameplay.
  • Platform: PC
  • VR hardware: HTC Vive, Oculus (coming soon)
  • Game engine: Unity
  • Special exhibition installation: player space with haptic enhancements (real sand), holographic effect for non-playing audience, contextual art pieces.

Made with Unity HTC Vive


21 / 11 / 2017

Expanding Immersive Design, ZHDK

Zurich, Switzerland

10 -12 / 2017

The desire called utopia and other science fiction, Kunstverein Wiesbaden

Wiesbaden, Germany

11 / 2017

Virtual Territories Selection, Geneva International Film Festival

Geneva, Switzerland

10 / 2017

Westbound museum

Shanghai, China

10 / 2017

RIXC Festival

Riga, Latvia

09 / 2017

VR Days Europe

Amsterdam, Netherlands

08 / 2017

SwissGame Selection, Gamescom

Cologne, Germany

06 / 2017

“A fresh burn like a double-tree”, Salts

Birsfelden, Switzerland

05 – 06 / 2017


Santa Clara, USA

05 / 2017

Official Selection, WVRF Annual Summit

Crans-Montana, Switzerland
Winner of “Best Interactivity” award

01 / 2017

“Unframed World”, HeK

Basel, Switzerland
The first large scale VR exhibition in Europe

11 / 2016


Mountain View, USA


Selection in Ludicious business accelerator

Winner of 2 Halo award at VR days

The nine most fascinating new indie games at Gamescom
01.09.2017, The Guardian

The Guardian


Download Press Kit

Mélodie Mousset


Mélodie Mousset

Mélodie Mousset (*1981 in Abu Dhabi) is a french artist based in Zurich, Switzerland. Oscillating between virtual and physical realms, Mélodie's artistic investigations around the body unfolds in surrealist narratives through numerous media: performance, video, installation, photography, sculptures and interactive media. She received the Swiss Art Award for her first VR installation We were looking for ourselves in each other in 2015, and her work is regularly exhibited in Europe and internationally. Mélodie has been an associate professor at ECAL, Switzerland since 2015. Created in 2017 HanaHana 花華 is an outgrowth of Mélodie’s ongoing exploration of the liminal space between technology and self.

Naëm Baron



Naëm discovered Virtual Reality 2006 to become an expert in this field, since then he worked on scientific research, videogames and art. Driven by his passion for the intrication between the human and the computer, he got a MSC in computer science with a specialization in VR, in 2010. After a first professional experience working in the industry, he joined the University of Geneva to create the VR laboratory as a technical manager. He took part in multiple research projects on affective sciences, psychology and neurosciences. In 2015, he worked on Mélodie’s “Organ Island“, a VR artistic experience, laureate of the “Swiss Arts Awards 2015”. His new interest for art leads to a new collaboration in 2016, HanaHana 花華.

Naëm continue to explore the medium of VR and its usage on art, videogames and society.



Development · BidOn Games LLC
Music and sound · Joe Willams
3D · Guillaume Arnaudo
Animation · Romain Ferrand
Video editing · Ashby Collinson & Gustav Hoder
Graphic Design · Marietta Eugster & Thomas Petit


Concept and Design · Marietta Eugster
Coding · Ingo Lemper

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