Hades II

There are no additional purchases except for the soundtrack of the game.

When asked if DLC would be added later they said the following:

We have a plan for the game’s remaining content, but an integral part of that plan is this launch,” Supergiant said. “As we take stock of the state of the game and what you think of it, we’ll gain a clearer sense of just how close we are to the finish line, and keep you posted here.