Why should we use it?
Represents any water basin with the right compromise between accuracy and playability
Flexible and adaptable to the real structure of the basin, and to various resources use including water, land, labour, money
Repeatable and transposable to various contexts, countries and players
Provides easurable results including flows
Scalable in terms of basin size and number of players
Easy to set and teach to new games organizers
An adaptation time for a new case not longer than few man-days
Cheap and easy to set in poor countries
Not requiring any computer for the game session
An average session duration of a half day
Possibility to calibrate it with real data or to use gross qualitative figures
Interesting, funny, and attractive for many kinds and levels of participants
Can be used to test and compare different policies
Sessions can be self-designed by the players