Remove The Forced Paying, Doom Is COPYRIGHTED So If You Try To Sell Something Related To It, You're In BIG Trouble!
Viewing post in Doom [Retro Remake] Level 1 comments
Do ID have "Doom [Retro Remake] Level 1" copyrighted?
Also, it is legal to copy a small portion of something or a larger portion for educational purposes. And this was a test of the Unity game engine and my skills at recreating the first level of DOOM in Unity.
Check out Fair Use https://en.wikipedia.org/wiki/Fair_use