MOFA

2021 - 2023, at Reality Design Lab

Author / Botao Amber Hu, Yilan Tao, Yuchen Zhang and Sizheng Hao

Keywords / Mixed Reality, Game, Speculative Design, Research Through Design

Contribution / UX design, game design, empirical study, academic writing.

In designing the MR game series, I was responsible for developing the user flow, user experience, and delivering the UI, while also contributing to the overall game design.

In subsequent research, I played a significant role in the experimental design, data collection, and data analysis, and provided key intellectual insights for findings and discussions.

Overview

As the prevalence of Mixed Reality (MR) head-mounted displays (HMDs) grows, the context of collocated MR gaming is evolving from private, controlled environments to spontaneous, public settings, echoing speculative fiction scenarios. Everyday locales are thus transformed into potential gaming stages, blurring the line between designated play areas and the public realm. This evolution prompts the need for game designs that cater to all present individuals, including HMD players ("Wizards") and non-HMD bystanders ("Muggles"). Addressing this scantily researched field, we developed the Multiplayer Omnipresent Fighting Arena (MOFA) framework, utilizing device asymmetry and role diversification as affordance to actively engage every participant. MOFA's MR game prototypes—The Training, The Duel, The Duck, The Dragon, and the Ghost—demonstrate through empirical studies indicate that MOFA involving "Muggles" strategically not only enhances social engagement but also diminishes social awkwardness, leading to a shared reality that is more inclusive and entertaining in public space.

MOFA was honored as the "Best Interactivity Demo" at CHI 2023 and "Best In The Show" at SIGGRAPH 2024.

Publications

Botao Amber Hu, Yilan Elan Tao, Yuchen Zhang, Sizheng Hao, and Rem RunGu Lin. 2024. "MOFA The Ghost: Demonstrating an Asymmetrical Social Exertion Game in Spontaneous Collocated Mixed Reality". In Companion Proceedings of the Annual Symposium on Computer-Human Interaction in Play (CHI PLAY Companion '24). Interactivity. []

Botao Amber Hu*, Yuchen Zhang, Sizheng Hao and Yilan Tao. 2024. "MOFA: Multiplayer Omnipresent Fighting Arena". In Proceedings of the 2024 Conference and Exhibition on Computer Graphics and Interactive Techniques (SIGGRAPH ‘24). Immersive Pavilion. 🏆 Best in Show. []

Botao Hu*, Yuchen Zhang, Sizheng Hao, and Yilan Tao. "InstantCopresence: A Spatial Anchor Sharing Methodology for Co-Located Multiplayer Handheld and Headworn AR." In 2023 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct '23). Demo. 🏆 Honorable Mention. []

Botao Hu*, Yuchen Zhang, Sizheng Hao, and Yilan Tao. 2023. "MOFA: Exploring Asymmetric Mixed Reality Design Strategy for Co-located Multiplayer Between Handheld and Head-mounted Augmented Reality." In Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems (CHI EA '23). Interactivity. 🏆 Best Interactivity Demo. []

Exhibitions

CHI Play 2024 Interactivity. "MOFA the Ghost". Tampere, Finland.

SIGGRAH 2024 Immersive Pavilion. "MOFA". Denver, U.S.A..

ISMAR 2023 Demonstrations. "InstantCopresence". Sydney, Australia.

CHI 2023 Interactivity. "MOFA". Hamburg, Germany.

Media and Talks

SIGGRAPH Blog: Immersive Experiences for All Environments []

Websites

https://mofa.ar

Repos

https://github.com/realitydeslab/mofa/

Credits

App

Concept Designer: Botao Amber Hu

Interaction Designer: Botao Amber Hu

User Experience Designer: Yilan Tao

Interaction Engineer: Yuchen Zhang

Technical Artist: Sizheng Hao

Research

Research Lead: Botao Amber Hu

Research Assistant: Yilan Tao

Academic Writing: Rem Rungu Lin

Corresponding Author: Prof. Yue Li

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