Use arrow keys (or WASD) to move about the maze. Click (or space) to collect objects to help find your way (when near). Click on object on screen or in bottom bar to use. Pay the Wizard to show the way to the exit. When it gets dark, if you can't see, just wait. Change the player character in the Options screen. 0=First Person. Laggy? Try changing the Resolution; 1:Low,2:Med,3:High (default). Or try it embedded! http://scratch.mit.edu/projects/embed/14777574/
