CSS-only point-and-click adventure game built using radio buttons and checkboxes

A developer on DEV Community has demonstrated how to build a functional point-and-click adventure game using only HTML and CSS, with no JavaScript involved. The game features room-based navigation, a collectible inventory, and conditional logic, all driven by the checked state of radio buttons and checkboxes. Radio inputs handle mutually exclusive room states, while checkboxes track cumulative inventory items such as an apple or a mysterious note. Navigation works by linking label clicks to input state changes, which then trigger CSS rules that shift a viewport wrapper using transform: translateX. The technique, considered a long-standing CSS trick, shows how complex UI logic and state management can be achieved purely through selector-based styling.