Meet Pluto Puzzle

Usage: Free educational moving puzzle game used to explore Moons of Pluto article, by interacting.
Interactive knowledge board.  

How to play: Drag and drop Pluto and its moon pictures while they move in their strange orbits...

Rousse Quest

Usage: Free online tourism application used to explore the Town of Ruse, by interacting.
Interactive knowledge board.  

How to play: Click different locations and drag matching monuments...

Jupiter Moons Puzzle

Usage: Free educational puzzle game used to explore the Moons of Jupiter, by interacting.
Interactive knowledge board.  

How to play: Drag and drop the moons' pictures in the gas giant's belt in correct order...