not really doom but 5 years ago some people made a raycasting engine on Sheets, lets you move around and everything. https://gsuite-developers.googleblog.com/2

not really doom but 5 years ago some people made a raycasting engine on Sheets, lets you move around and everything. https://gsuite-developers.googleblog.com/2012/03/sheetcaster-3d-in-apps-script.html https://gsuite-developers.googleblog.com/2012/03/sheetcaster... https://github.com/amaury-dlv/sheetcaster https://github.com/amaury-dlv/sheetcaster