Magma is a game for two to six players. Your goal is to claim as much territory as possible while using as few pieces as possible. If you’re playing with more than three players, you’re playing on a two-player team. (How do you get two-player teams with five players? One player controls two home bases.) Play is a lot like a fusion of Chinese Checkers and Go, except you can only jump pieces of your own color.
Magma uses a custom board and a bunch of tokens in three different colors.
The rules and board are available at: http://www.invisible-city.com/play/527/. If you don’t want to assemble your own set, or if you want a nicer-looking board, you can order a copy from The Game Crafter for a very reasonable price: http://www.thegamecrafter.com/games/magma
Magma has fairly simple rules. Thanks to CPSIA, the game is appropriate for ages 12 and up (although parental supervision could probably reduce this restriction significantly). A 6-player game takes about 45 minutes to play.