A single tunnel costs 1 ruby a single cavern costs 2 rubies. Provided knowledge of the expansion rules you can play the adventurers even without owning the expansion.
There are no opponents that you have to wait for.
Caverna forgotten folk rules. Unless stated otherwise the base game and expansion rules apply. Each time you are supposed to pay 1food per person you must instead pay 1stone for every second silicoid rounded up. Or expand your cave system with single tiles bought with rubies.
Each species has special advantages and disadvantages and some species introduce new resources into the game. The adventurers do not introduce any new rooms but rather treasures that only they can get. The solo game is played according to the rules for 2 to 7 players with the following exceptions.
Expand your cave system by placing cavern tunnel and cavern cavern twin tiles in the mountain. In the work phase place one dwarf after another. The goal of the solo game is to get the highest score you can.
Place your first meadow field tile on the forest spaces in front of your cave entrance. Alex wilber wasnt eager to wait any longer for an expansion to caverna and created his own. The lost folks come to life in the world of caverna.
Forgotten folk consists of eight different species or race packs such as elves dark elves and trolls and now each player in caverna can be one of these species instead of only the dwarves in the base game. The forgotten folk the adventurers are the tenth folk for caverna. In each feeding phase silicoids require 1stone each even newborns.
Good things come to those who wait or to those who stop waiting and take action. Try to beat the magical score of 100 points. Each time you furnish a cavern you get a discount of 1stone if possible.
Silicoids eat only rocks. They emerge from dark caves deep forests and long forgotten places.