Pipo Saru 2001 is a single-player action game in the Ape Escape series in which players control a character tasked with capturing mischievous monkeys using various gadgets and tools. In this game, the setting is a vibrant world where monkeys have escaped and caused chaos, prompting the player to restore order by completing diverse levels and challenges. It stands out with its engaging gameplay mechanics that involve quick reflexes, strategic gadget use, and exploration, along with a focus on platforming and puzzle-solving elements tailored for the PlayStation 2 platform.