Mine didn't even have any backtracking at all. It'd just keep blowing stuff up until it happened to stumble on a solution. Obviously that only works if your til

Mine didn't even have any backtracking at all. It'd just keep blowing stuff up until it happened to stumble on a solution. Obviously that only works if your tileset allows for many solutions, if there's only a single solution to an area it'll take a long while to stumble on it.