Love this. I did the first couple of days within irb (Ruby REPL) before deciding to actually write scripts, seeing the second exercise for a given day builds on the first. Found it interesting there&#x27;s a &quot;Leader board&quot; since well, there&#x27;s no &quot;points&quot; to accumulate other than completing two puzzles per day, so whomever is listed there is just those 100 who came to see the puzzles first. So far they&#x27;re not very hard, but still fun.