In 'Whose Treasure Is This?', players navigate a bustling city filled with eccentric characters and hidden motives. You play as a down-on-their-luck private investigator who unexpectedly receives a mysterious map leading to a legendary pirate's hidden treasure. As you interact with quirky locals, unscrupulous treasure hunters, and even a talking parrot, you must gather clues, solve complex puzzles, and make strategic choices to uncover the true owner of the treasure, all while encountering hilarious mishaps and dramatic showdowns. Your decisions will affect the outcome of the story, leading to multiple endings depending on who lays claim to the loot.