Here's an experimental implementation, reveals the water cells around any revealed boats: https://lukerissacher.com/battleships?revealwater=1 https://lukerissa

Here's an experimental implementation, reveals the water cells around any revealed boats: https://lukerissacher.com/battleships?revealwater=1 https://lukerissacher.com/battleships?revealwater=1 Not sure I like it, kinda makes the starting puzzle noisy/crowded.