I loved it!!!!! Concept and execution were handled expertly. For 7 days, the character controller feels great! You wanted a critique, but there's really not much I could critique here. An audio slider would be nice. The jump from the last area to 50TW is a bit much, maybe one or two more upgrades, possibly reached via a second jump could have filled that gap easier. But this is nitpicking - Even smaller things like putting the gate in the middle of the area, giving you a long-term goal right as you got hooked on the concept are great. So many good decisions here - Hidden upgrades, a clone system that encourages better times, level design that allows for multiple paths to be taken. Sorry, but my biggest critique has to be you asking for a critique... (My actual biggest flaw would probably be, that occasionally the intended/optimal routes are slightly unintuitive, where for example the double jump just barely works to get you to a wall, making me reconsider if the order of my moves was the correct one. Maybe I'm just bad at 2D platformers, though ;P)
Tldr.:
cat