Expansions
Avalon Hill has released a number of expansions for the 2210 A.D. game. Used as Tournament awards, these expansions were originally available only to retailers and have not been released commercially. To date, there are four "official" expansions, under the name "Frontline". A number of unofficial expansions have also been created by fans, covering such themes as terrorism, aerial assault, zombies, Antarctica and Godstorm-style relics
Read more about this topic: Risk 2210 A.D.