I glitched through the floor and fell for ages.
Eventually I ended up back in the sky, dropped from there, got to the floor and the doom wall was right behind me x.x
once you realise you can stay on the right hand side most of the time you can get far; once you realise you shouldn't be on the far right all of the time you can get further :)
thatguyyaknow, I lost because of following that advice. When the fourth size of dog appeared, I went straight for one of the third size and it ended the tgame.
The high end absorb reduction skills appear not to work. I got to a strong-against fire absorb boss after confidently having made only fire mages, assuming I would do 50% damage on him, which would have been fine, but in fact I did, uh, 0% damage on him.
I ended up winning anyway by throwing endless meat at him and upgrading until I had 0 money and then losing 10 lives, but eh...