Long Chain can be Direct Requested from the Pioneer's Neighbors, who will also receive one. The Pioneer must have the fourth stage of the Gem Mine build active to request Long Chain, but does not have to have it active in order to return and claim one.
Long Chain is used in constructing the following Building(s):
12 Stafford Extractor (requres 108 Long Chain)
- Something's Rumblin'!, Part V of V is a Goal which requires the Pioneer to complete the fourth phase of the Gem Mine build.