Some googling helps yeah, sorry :) Thanks for your kind words. I'm glad you enjoyed it. :)
I'm gonna upload a windows build for you sorry :( Did you try using another browser? I tested on opera or edge, both working fine.
Thanks for playing it and giving feedback.
For the locker combo, you have to find the poster that gives the clue to solve it.
If AA*AA = BBCC
A= ?