Wanrumuwandoa

Shade cells so every room keeps one door to its neighbours.
Controls
Shade cells without letting two black cells share an edge. A numbered room must contain exactly that many black cells. The white cells in each room must stay connected, all white cells across the grid must connect, and two rooms may share at most one white-white door.
Logic · Deduction · Grid · Shading · Region
Brain training · PuzGo