In 'Hello? Who's There?', players take on the role of a solitary night-watchman in a sprawling, abandoned amusement park. As you navigate through eerie attractions and neglected rides, a strange sound echoes through the darkness. Using interactive text prompts, players must decide how to investigate the sinister sounds, uncover the dark history of the park, and confront regretful spirits while dealing with their own fears. Every choice you make influences the eerie narrative, leading to multiple endings based on your bravery, wits, and the mysteries you unravel.