Trauma Center: Under the Knife 2 is a surgical simulation game for the Nintendo DS, developed and published by Atlus in 2008. It's a direct sequel to 'Trauma Center: Under the Knife,' offering improved graphics, controls, and new operations. Players take on the role of Dr. Derek Stiles, a surgeon with the ability to perform miraculous procedures known as the 'Healing Touch.' Through various surgical missions, players utilize the DS stylus to perform precise tasks, combating a range of diseases and even bioterrorism-related ailments. The game blends medical drama and action, providing both story depth and engaging gameplay for fans of the simulation genre.