In 'Whose Echo Is This?', players navigate the crumbling halls of an abandoned library that holds the secrets of an enigmatic figure known only as 'The Echo'. As a detective plagued by memory lapses, you must piece together the fragmented stories of the library's past patrons through their echoes—ghostly whispers that reveal their hidden truths and unearth dark secrets. Engage with interactive dialogues, solve riddles scattered in the echoing corridors, and unravel your own forgotten past as the lines between reality and illusion blur. Every choice you make influences who you can trust and what echoes you choose to follow, leading to a personal revelation that could either save or doom you.