Hey, I'm
John Choi
XR Developer & Game Developer & IoT Roboticist
I build immersive AR/VR/XR experiences, video games, and intelligent robotic systems. From spatial computing to physical machines — I bridge the virtual and the real.
Featured Projects
View all →Quest Spatial Canvas
A mixed-reality 3D painting application for Meta Quest 3, letting users sculpt and paint volumetric artwork in physical space.
SwarmBot Network
A mesh-networked swarm of 8 low-cost robots that coordinate via MQTT to perform collective mapping, search, and manipulation tasks.
ArchViz XR
An Apple Vision Pro architectural visualization tool that lets clients walk through 1:1 scale building models overlaid on physical space.
Echo Chamber
A puzzle platformer where sound is the only mechanic — players emit echolocation pulses to reveal hidden geometry in a dark world.
What I Do
AR / VR / XR
Spatial computing, mixed reality experiences, immersive simulations, and extended reality applications for research and entertainment.
Explore →Video Games
Game design and development across multiple platforms — from indie jam prototypes to full-featured multiplayer experiences.
Explore →Robots & IoT
Embedded systems, autonomous robots, sensor networks, and physical computing projects connecting the digital and physical worlds.
Explore →Sharing What I Know
I teach courses and workshops on game development, XR, and physical computing. Check out my courses, resources, and open materials.
View Teaching →