Building Spookseek AR on Replit: How a Designer Shipped an AR Ghost Hunting Game in a Week

Summary Designer turned builder Ruth Heasman ships Spookseek AR for Replit’s mobile Buildathon, turning a Halloween AR idea into a real iOS game. She builds for mobile first, leaning on camera, motion sensors, haptics, sound, and AR visuals so ghost hunting feels grounded in the real room. Replit Agent helped her co-create a bespoke 3D system, even though she started “really clueless” about 3D math and AR stacks.