Thanks for persevering — I must really have a twisted mind.
To help you, here’s a completely hacked-together solution, without sound or connection:
https://www.youtube.com/watch?v=sRdB5_KldaY
And here are the codes to access the next levels:
Kisugi
Arale
Ikari
And don’t hesitate to give me feedback on what works or doesn’t.
Enjoy.