Which mods for Minecraft do you know?

That make the game more realistic. It does not matter whether there are new mechanics, items, machines or anything else, the main thing is realistic.

I can recommend RLCraft to you. That's a whole modpack that adds more realistic mechanics to the game as well as a lot of new content.

Optifine

Real Life Mod

In addition, I can recommend the following physics mod:

https://www.curseforge.com/...hysics-mod

this makes the mining of blocks more realistic and entire caves can collapse if you mine the wrong block. Unfortunately, the modpack is not compatible with this mod because the mod is only available in 1.16

https://www.curseforge.com/...creenshots

https://millenaire.org/

https://www.curseforge.com/...creenshots

https://www.curseforge.com/...er-foliage

https://www.curseforge.com/...-particles

https://www.curseforge.com/...hysic-lite

https://www.curseforge.com/...rroundings

https://www.optifine.net/home

https://www.curseforge.com/...sl-shaders