Unobtainium Mines

Unobtainium Mines is an expansion for Bismuth Mines, and was released in Alpha 8.

Features

 * 6 new ores
 * Serendibite
 * Plutonium
 * Jade
 * Unobtainium
 * Opal
 * Black Opal

Trivia

 * In Alpha 7, this expansion's gamepass was added, even though it didn't do anything. It's 5 base ores were also known before the update.
 * PloxGD intentionally closed down Bismuth Mines just to add Alpha 8, the update that introduces the Unobtainium Mines.
 * The gamepass' icon misspells Unobtainium as "Unobtanium".