There are 20 levels (give or take) to solve in this game. No image manipulation or any other software are required, just a keen brain and lots of patience. Good luck!
DO NOT POST SOLUTIONS. GIVE HINTS ONLY!
USE SPOILER TAGS TO GIVE HINTS AND TO COVER PARTS THAT COULD SPOIL ANY PART OF THE RIDDLE TO OTHERS.
This is how you make spoilers
[spoiler=title]spoiler text here[/spoiler]
You can practice spoilers Here