The game is a clone of Sea Race (GCompris activity).
Is to give orders (the language is extremely basic) to a boat to win a race.
The aim is to show how to think ahead and construct a program, to people with no knowledge of it and have fun at the same time.
Learn basic constraint logic programming by solving logic word puzzles. Go to http://eclipse.dougedmunds.com . This tutorial will show you how to solve easy 1 star to hard 5 star puzzles, using the eCLiPSe-CLP language (available at http://eclipseclp.org/).
Don't confuse this programming language (a prolog language) with the IDE for Java.