Lock's Quest is a real-time strategy video game originally released for the Nintendo DS in 2008 and later ported to Xbox One among other platforms in 2017. In the game, players take on the role of Lock, a young boy who stumbles upon an invasion by the Clockwork Army. Players are tasked with designing and building defensive positions using resources and a variety of traps to fend off the mechanical invaders. The game blends tower defense mechanics with RPG elements, offering a story-driven experience with engaging gameplay and a unique art style.