I'm not usually into infinite clicker games, but I really liked that the narrative of this one progressed as you received more upgrades/skills. It made me feel more motivated to continue clicking (despite my cramping fingers!). I'm not sure if there was more beyond the lab, but I had to give my hands a rest at some point :P

If I had to make one suggestion, it would be to design the buildings to be visually unique. The flat textured 3D buildings are a bit jarring against the pixelated background. It would've been cool to see the a laboratory in the same pixel art style as the environment, for example. 

As another commenter has also experienced, I was able to get 4 morbillion essence. I don't mind the bug, I just thought the image was funny :)

After first run, I clicked on "unlock healthbar" and got 4 billion essence! 
I see clicker games as being interesting because you can see what you need to progress. In this game you get introduced to new stuff bit by bit so you don't have the motivation to keep hitting the tree (since you don't have a goal for points), apart from the story that was tied to it. But the story was unraveling a bit too slow to keep me interested, personally.  The art is pretty dope tho!