On: Show HN: Is this puzzle too hard?

[babuskov]

Shapes and colors (independent of each other) can be matched horizontally and vertically. Maybe I should somehow indicate when they are "locked" and that would be enough.

Actually it's a one-off puzzle to unlock a door to another level and it does not repeat. So, there's no time for tutorials.

I guess I will make this one optional, and maybe just create a simpler puzzle (say, colors only) for the unskippable door lock.

Thanks.