This isn't planet level, but shows surface: https://universesandbox.com/. - Source: Hacker News / 3 months ago

Someone's been having fun playing with Universe Sandbox. Source: 12 months ago

I wonder if it can be run on a gaming GPU? One of my wish list games is ‘universe sandbox’ https://universesandbox.com/. Source: over 1 year ago

Planets and solar systems are buildable with Universe Sandbox (steam), I used it for my main setting. Source: over 1 year ago

I created Universe Sandbox, a realistic physics-based space simulator. I started working on the idea as a side project just for fun back in 2007 and released it on my website for free in 2008. I later transitioned that to a name-your-own-price model and then to a fixed price. When it (now known as Universe Sandbox Legacy) was first released on Steam in 2011, it sold more in the first hour than I'd sold on my... Source: over 1 year ago

I was thinking slither.io, but it's not working well for me right now. Any suggestion? Source: 12 months ago

Games had to resort to to tolerate it . richup.io and slither.io last night. Source: 12 months ago

I was in a call with my friends one time and was playing slither.io. A user called Knee_grow killed my worm and I accidentally blurted out that I hated them. I felt so bad after. Am I racist? Source: about 1 year ago

There is a game called slither.io (Link) I enjoy playing. It’s kinda hard playing from my phone (curse my small hands and the huge phone) and playing it using the built-in touchpad of my laptop is not something comfortable either. This is how the idea of a virtual mouse came to my mind. - Source: dev.to / about 1 year ago

I'd say if anything the trailer doesn't really get across that you have Magicka elements in it- if I had to make a guess pretending I'm fresh off the street- I'd say your game is like slither.io with shooting. Source: about 1 year ago