The expansion is compatible with the two previous expansions, but neither is required. Aside from expansions several spinoffs have been released. Additions to available species pools through range expansions and introductions can also continually reshape communities. The expanded game includes all three downloadable content expansions alongside the main game. Several further expansions are planned or proposed. Unemployment tends to rise during recessions and fall during expansions. With the completion of all planned expansions this could handle up to per year. Provisional names for future new settlements or settlement expansions were already assigned. There are several different conventions for writing -adic expansions. Bernoulli numbers are also frequently used in other kinds of asymptotic expansions. It includes both expansions and all the DLC packs. There were three waves of expansions and generalizations. There are two downloadable content expansions for the game. Many of its expansions have also won awards. Several characters were introduced in the expansions and events of "Destiny".