Some games just cut all the shackles and let players do what they want, how they want, and where they want (within reason).
Please note that this mod modifies the camera position and player movement, which can be an issue for servers with strict anti-cheat. Use at your own risk! Shoulder ...
Noisium changes some world generation functions that other mods don't touch, to fill in the gaps left by other performance optimisation mods. Most notably, NoiseChunkGenerator#populateNoise is ...