YOU'RE PLAYING: Arinchamber Game.
Everything you need is your mouse and its left button.
Some objects in your inventory are draggable. You have to drag them to right place (you start with none). You can turn around by clicking the arrows on left and right of the screen. They are invisible unless you move your mouse
Lastly; everything you need to solve this adventure is in the game. You only have to manipulate the hints.