Singe

How to play

A dark grid, a few patches of ember, and locks that only open for a big enough flare. Fire a patch and it goes out, but every cold cell touching it catches, so the light you spend is the light that redraws the board.

1. 1Fire any ember shape: the whole connected patch flares once and goes out.
2. 2Every cold cell touching that shape catches, so light steps outward instead of dying.
3. 3A lock opens only when the flare that reaches it is at least as big as its number.
4. 4Hold before you commit. The preview shows exactly what goes cold, what catches and which locks open.
5. 5Open every lock in as few flares as you can. Par is the proven minimum, and undos are counted.