The traveler cat can bring you in another world if you have the money to pay him.
Each world has its own ressources, materials and inhabitants.
Basic ressources.
Money is gold coins.
Materials are stone and wood.
Mushrooms, wicked milk.
Money is spores.
Materials are copper and magic wood.
Fish, algae, seaweed.
Money is pearls.
Materials are coral and sand.
Lava milk, lava mushrooms, fire berries.
Money is crystals.
Materials are obsidian and iron.
Aliens, void berries, space mushrooms.
Money is stars shards.
Materials are space rocks and space wood.