1Pick 4+ spots around your spaceKitchen counter, bathroom mirror, bookshelf... these become stations where players do tasks.2Put a code at each spotAny code works - a printed QR, a cereal-box barcode, a book's ISBN. It just has to stay put and be unique.3Walk, scan, nameWe sketch the map as you walk. Optionally mark spots as Emergency Meeting stations - scanning one calls a meeting.