This game sux, I got up to an area with invisible walls that kill you that require you to find a path through that doesn't exist for me anyway. The game needs fixing and more badges
Went to bed and got up fresh to try again and got it 1st try: https://i.ibb.co/g7bZMPb/Screenshot-from-2020-05-15-09-18-04.png
Now to try the colour one... so far it just seems to be a case random luck as to whether one gets a good grid or not, some people will persevere and eventually get this done but most people won't.
The hard badge may as well be the impossible badge because all the impossible grids seem to be impossible as I tried over multiple hours to find a grid that is actually possible... I always get down to a handful of bulbs that cannot make connection in any way shape or form
I didn't realize until level 20 that I could make links off the sides to other sides, don't say I don't give you anything: https://i.ibb.co/bJdtmgN/Level20.png
Don't forget to go back and do level 6 again for the badge, you may need to hit space a number of times to get the monsters upper left walking correctly.
Victory at level 9, the paladin tells me he thinks I am not strong enough yet... but I still got through by adding a 4th to my party that healed me a bunch
 "Soul Mirror"){kind=icon}
 "Colourshift"){kind=icon}
 "Super Stacker 2"){kind=icon}
 "Animal RaceWay"){kind=icon}
 "William and Sly 2"){kind=icon}
 "Economical"){kind=icon}
 "Enough Plumbers"){kind=icon}
 "Deep Forest"){kind=icon}
 "Hack Slash Crawl"){kind=icon}
 "Castle Woodwarf"){kind=icon}
 "Wondrous Lands"){kind=icon}