How to play Maslow Pyramid.
Drag and drop the need in the correspondin stair. There are 25 tiles, representing a human need, situated on the left side of the screen. The player drags the "need" picture to its corresponding stair(right down), until the whole pyramid is completed. Completing one stair will open the next one. The "needs" with green text are non scientific confirmed needs, included for fun adn debate. The tiles will stay active until placed correctly.
Upon completion, new Knowledge Level is achieved.
Know what is needed to be happy.
Winning the game rewards +1 Knowledge Level
The download version(bottom of the page) include an executable file for Windows OS with local levels only.
Here is a gameplay movie on YouTube.