I'm not sure if anyone has mentioned this but in the background of the new stages you can spot henry stickmin, super meat boy and hatsune miku with the lemon demon! :
Homebase Redesign Concept | DarkOrbit
DarkOrbit - F*ck it - YouTube
AMMO - Rocket Ammo FAQ | DarkOrbit
DarkOrbit Game Review - MMOs.com
DarkOrbit | WTFast
Darkorbit account after 100 days of botting with DOB from ZERO, no ban and 1.000.000 NPC shoot down. - YouTube
Find Fun, Creative dark orbit and Toys For All - Alibaba.com
DarkOrbit - ⭐ FPS Boost 2019 ⭐ - YouTube
Dark Orbit Peru - 🔥Adidas Ozelia🔥 🔘C.c Boulevard s-11 2... | Facebook
Like a Flash of Lightning - 6-star Quests - Village Quests | Monster Hunter Rise | Gamer Guides®