Slip the light. Cross three walled gardens and reach the teal gate.
The goal: reach the glowing teal gate of each garden without filling the detection meter. A full meter means a guard has pinned you in the light and the caper is over.
Keyboard: W A S D move · Shift sneak · mouse look (click the scene to lock the cursor) · Q/E turn the camera · P pause.
Touch: on-screen D-pad moves, drag anywhere to swing the camera, side buttons for sneak and camera turns. Restart from the end screen after a win or a bust.