They came. They saw. They devoured. They is a Euro-farming game—for interstellar aliens.
Saucers uses tentacles to suck up nutrients from sites. The nutrients are converted to cargo tiles at the mother ship.
The mother ship in They is a rondel where you move your little alien pawn to take one of the 5 available actions. The outer rotating ring (the market) sets the cost of converting nutrient cubes into cargo tiles.