Use mouse to play the game.

To rescue the friends waiting at the starting point of this dangerous valley, draw a line with mouse and after reaching the other home,click the left mouse button to let the passengers go on the zip line. How long you press the mouse, the more passengers do zip line. To avoid the dangers, you can draw the line around the blocks, you can move the line just like a rope. The game mechanic is based on whipping a rope.

For iOS:
Safari on iOS 8 and later supports WebGL 1.0, and on iOS 15 and later supports WebGL 2.0.

For Android：
Nearly all of them support WebGL