Minority Games

We present a simple introduction to the basic Minority Game (MG) introduced by Challet and Zhang in 1997 and discuss some of its physical properties and subsequent developments. We also introduce some of its variants include the Evolutionay Minority Game (EMG), the Thermal Minority Game (TMG), the simple Minority Game without information and the Grand-canonical Minority Game (GCMG). Some analytical approaches on Minority Games and the relations of Minority Games with financial market are also briefly discussed.