@preango, you can put z pieces verticle on the sides to create a great extra wide base. however, you'll need to really make your bottom few layers super stable to utilize it.
Also, I've been trying to get the impossible badge since this game came out. fffff
Did you let it use a bit of memory on your system? If you said no to that little pop up then the game isn't able to save any data. Also are you using the same browser as before?
Reminds me of the game shadow run with a bit less strategy and a bit more shooter. If you haven't played the game shadow run I recommend it, it might give you some inspiration for future content.
 "AdVenture Capitalist")
 "99 Bricks")
 "bit Dungeon")
 "They Took Our Candy")
 "Into Space 2")
 "HUEBRIX"){kind=icon}
 "Seedling")
 "Snakes On A Cartesian Plane")
 "GARE")
 "Raze 2")
 "Psychout")
 "Freefall Tournament")
 "Utopian Mining")
 "Red Crucible 2")
 "Chuck the Sheep")
 "Pixle Physics")
 "Undead Throne")
 "Rebuild 2")
Did you let it use a bit of memory on your system? If you said no to that little pop up then the game isn't able to save any data. Also are you using the same browser as before?