"Riddles on Blackboard" is a puzzle game with 50 logic and graphics puzzles.
The originality of the game is that there's nothing to touch or move. You only have to carefully observe the directions drawn on the board to enter the answer in the form of a digital code.
Need some help? Don't hesitate to drop your questions on the app page (face book), by email or in the comments.
Do not be afraid to go to the blackboard!