Yes! On Opera you cannot “drag” (right click doesn’t work), with Brave (chromium) I’ve changed the thickness of the pencil 4 times… =)
Viewing post in To the last Pencil jam comments
Well, I noticed now that the web version doesn't work properly. The code that counts the coloured pixels isn't working well with GWT, which is the support for LibGDX web games, resulting in the game not letting you progress :')
I will fix it as soon as I can. Meanwhile this is a video of me playing my own game.