The Guerrilla Games Twitter often showcases Horizon fanart. Here’s a recent example:
Inktober 019
— Leandro Franci (@lenadrofranci) October 19, 2019
Aloy – Horizon Zero Dawn#Inktober #inktoberday19 #Inktober2019 #HorizonZeroDawn #Aloy pic.twitter.com/ynSzosPhVL