When you unlock all genres in the game, you get to fully experience the depth of the game's design. You can take on new challenges like creating unique combinations of different genre elements. This not only makes the gameplay more interesting for you but also can set your studio apart from others. You'll be able to adapt more easily to the changing trends in the game world, as you have access to all types of games. And it can lead to unlocking special achievements or rewards within the game as well.
Unlocking all genres in Game Dev Story gives you more creative freedom. You can explore different concepts and gameplay styles that were previously unavailable. It also helps in diversifying your portfolio, which can be attractive to virtual investors in the game and can lead to better overall studio performance in terms of both reputation and financial gain.
One major benefit is that you can create a wider variety of games. This allows you to target different types of audiences and increase your chances of making successful and profitable games.