The answer to this puzzle was very close to a few of my previous puzzles. If you take each number and convert it to a letter based off of A=1, B=2 etc. you are left with this:
Where the hint about the leaderboard was referencing the current leader, Convictus. The puzzle spelled out his name in numbers rather than letters. I figured I would bring up the idea of one of you doing a guest puzzle again, is there any interest?