Click to use the keys: WASD walk Shift run Space jump F swing R reset Click ground: go there Tap the ground to walk, tap the tree to jump
Trees: Lowpoly Tree Generator by Pajama Studio (MIT)

This demo needs a graphics card

The tree and its island are drawn with WebGL 2, and this browser can't give it one.

It plays in Patch Desktop, and in any recent browser with hardware acceleration turned on.