Game Introduction
Select the arrow that is not blocking the direction and click to eliminate it.
Controls
PC
Left-click on the arrow：move the arrow based on its direction
Drag left-click：move camera view
Scroll mouse wheel or click on the zoom buttons = zoom in and out
Mobile
Tap on the arrow ： move the arrow based on its direction
Hold finger on screen and move = move camera view
Pinch with two fingers or tap the zoom buttons = zoom in and out.