More Challenging Levels, Leaderboards, Achievements

Big update, version 0.6.6 added new challenging levels, leaderboards (see who is the better Ninja among your friends!), achievements (the first round) and the following:

First set of achievements added! More to come. Fixed second time going to Dojo editor without exiting game All Hardcore and Masterclass levels of Chapter 1 (Dojo) Added First 4 Hardcore and Masterclass levels for Chapter 2(Jade city) Added Polished some of Chapter 1 levels, based on videos and heat maps Basic Leaderboard for Levels Performance optimization of level selection screen General graphic improvement