In the game, players only need to achieve zero kill to complete the ordinary ending, read the archive, meet Diane, send the letter to Dr. orpheus's laboratory to start dating mode, and enter the underground laboratory of Dr. to explore. The thing to remember here is not to kill any soul indiscriminately, and then go back to the castle to confront the prince directly, but you can't kill him. You can save the soul, so that you can achieve the real ending.

Knowledge expansion:

Underground Castle 2 is an application of Android platform. The classic popular game "Underground Castle: The alchemist's Magic Journey" is the official sequel in the AppStore. Underground Castle 2 is a game that simulates business and dungeon adventure. This time, your adventure team will go deep into the Jedi and launch an unprecedented fantasy adventure in the ancient and mysterious continent.