Railroad Ink Challenge: Eldritch Dice Expansion

The Eldritch Expansion Pack contains 4 single-die unique expansions:

Ritual (1 die)
Portal (1 die)
Tentacle (1 die)
Investigation (1 die)
Use the special dice of the Eldritch Expansion in addition to your regular Route dice and find new way to score points! Open new Portals and add Rituals to your network with the Ritual Expansion! Open different Portals to connect distant areas of your network with the Portal Expansion! Extend Tentacles along your network as much as you can with the Tentacle Expansion! Send your Investigator to collect Clues to solve the case and gain extra points with the Investigation Expansion!