I agree describing it in text might be a problem. I would generate a few pictures showing different ways the "blast lines" interact with the board. I wouldn't g

I agree describing it in text might be a problem. I would generate a few pictures showing different ways the "blast lines" interact with the board. I wouldn't go through all the more interesting chain reactions (part of the fun is finding them). But I think it would make the game easier to understand for a first time player.