:D So find the Noid, then turnaround and compare the walls :) That one is a tad different, but really easy.
My brain is a tad fried for the night, but I have to finished the blue door!
And i did!
I think everyone on the comments have said all that need to be said.
Your game has a really high hurdle of entry but has a very sastisfying payoff in the end. Love it.
Also! For the 2d platformer, check out gmtk guide to platformer on itch
Overall, I think you will take 1st place this year! 10/10! Love it!
P/S: My brain too fried to give a good comment, but my pride dictate I must leave one regardless!