Part II of The Curse of Anan-Thotep. Search the location to find the items listed on the left. Click on those items when you find them in the scene.
If you get stuck, select the pipe for a hint. For a closer look, select the magnifying glass icon in the lower left.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.