This was really fun, leaderboard was a nice touch! I felt like the slides were a tad too punishing when you were just starting out and felt a bit too halting, but when you slide at faster speeds it feels much more satisfying! I understand getting halted could be a way to punish players for messing up, however I wonder if a slightly thinner character collision and more parts where you can build up speed before slowing sections (like alto's adventure) could help increase overall fun by having more moments of 'reward' interspaced throughout. Not a requirement though, just a little suggestion! The art style was excellent, I love the player sprites and the twist!