@DinPixels The Ruffle engine! Newgrounds actually helped with its development, one of the Ruffle devs also works at Newgrounds and they were a sponsor.
I'm glad to hear you like it here. Take your time figuring everything out. Besides the various art portals there's a pretty sizeable community on the forums too: https://www.newgrounds.com/bbs
Tango
You're a very talented artist! Your pixel art is gorgeous, I love the low poly stuff as well! I'm glad you joined, I hope you end up liking it here on Newgrounds :)
DinPixels
Thank you for your kind thoughts, I feel very welcomed here ^^
And I'm taking my time, so far I really enjoy browsing everything here. There's just a lot of cool things to check out (and to think that they made Flash content accessible too!)