New update 2.5!
* After completing the level you opening three levels then one. so you can skip levels if stuck. Also, to open a new chapter, you need to complete a minimum of three levels. !!
* A level menu added an stars. They now are drawn next to each level, 3, 2 or 1, depending on with what result was level. On unclimbed levels have 0 stars.
This update 2.5 now on google play and apple appstore. !
See links in first post!
Good luck master of energy! :-)