I'd watched a video recently that really reminded me of this game and, like, I am a bit overwhelmed after this. I don't know if this video would have affected me like it did if I hadn't played your game, and experienced this, first.
Why Danger Symbols Can't Last Forever.
Edit: I checked and the version I had was from before the update that added the title and downloaded the new version and... well in the old version realising that the 'patterns' on the ground were maps of the world felt like an achievement in that version. Just a note rather than anything else.