Ah, then some useful algorithms and keywords to study would be OpenGL, voxel rendering, A* pathfinding, cellular autonoma, perlin noise, etc.

Red Blob Games has a lot of good articles covering many of these subjects, here's a few:

https://www.redblobgames.com/pathfinding/a-star/introduction...

https://simblob.blogspot.com/search/label/noise