Also, check out the demo here: https://www.cloudparty.com/studio/sky/ANdXh48Zy?gfx_preset=preset5
The demo also reminds me of TheNut's WebGL demo It's impressive how far WebGL has come along.
Heh, yeah. It does have that feeling of similarity. The water was a nice touch, as well as the ambient occlusion in the clouds. Look'n good.