You don't really have to restart... If you're smart enough. You die, you go to main menu. Press Continue and you'll be back at the last place you were alive. If you died and saved after that, you're screwed. If i receieve dislikes, Yeah you're stupid.
Instead of getting many dislikes on my comment saying "Umm, You don't get gems when your game is closed". You guys could have told me, "You do". This is the problem about Kongregate. People are like little kids disliking comments.
I don't know if it will be any usefull but statistics show that, from 70 thousand times that someone got to the *game over* screen, it only had 230 times that people managed to beat level 20 and maybe, more than one time as stated by the leader with more than 30 thousands points. You can check those at http://hexafun.net.br/scknkdn/ldr.html
I'm working on an expansion with 20+ items as well as plenty of new features, such as colour changing.