Classic rules. A fresh random seed each game; the first click is always safe.

Density 12.3%

Random keeps you in Solo. Type a seed by hand and you switch to Set Seed, where the seed fixes the opening cell too and your time is comparable to everyone else on it.

Uses the same exact solver the top bots use. Turning it on during a run makes that run unranked.

Playing as a guest. Claim a name to bank your times.