Earth2140 - Websites Vault

Official

 * Topware
 * Reality Pump

Purchase

 * Steam
 * GoG

Community

 * https://steamcommunity.com/groups/InsideEarth
 * https://steamcommunity.com/groups/E2140
 * https://steamcommunity.com/app/253860

Support

 * PC Gaming Wiki
 * Fandom
 * GoG Support
 * Gog Forum