its just a bit like real life

the modpack will add 

a pollution system created by Furness, mining coal, eating, for full details go to https://www.curseforge.com/minecraft/mc-mods/pollution-of-the-real.

you will now have to deal with the freezing cold and boiling sun, o and you will need to pack water because you will need to drink to survive.

the modpack also adds.

>realistic trains.

>many ways of creating power like water wheels and windmills.

>space travel is now possible with planets and structures to explore.

>nucklear power is now optional with nuclier bombs and many missiles. be warned the radiatoin that comes with it is deadly if in a big enough quantity.

>there are now some rivers and streams which are continually flowing in a current.

>new foods and cooking equipment for all your needs but do note some plants only grow in pacific  seasons

>tornados and whether storms ravish the land creating devastation wherever they go.

>there are many new biomes to explore with several structures.

>think you can mine a tree and instantly get a cubic meter of log, no you will need to get flint shards by braking flint on stones the mine leaves (note byg leaves may not work) to get sticks and make a hatchet jie has all the reserpies(see full details at https://www.curseforge.com/minecraft/mc-mods/no-tree-punching), also make sure that tree does not fall on you; i lost a hardcore world to that.

>you may now fined fossils underground which will let you grow your own dinosaurs.

>back packs are items that can store stuff like a skulker box but a bit different but i everyone who has spent 1s modding or existing n real life will now what that is.

>there is now a jeep and a helicopter which are fun to drive.

>there are gun turrets and the previosly mentioned nuklear wepons to protect you from mobs and other players or maby wadge WAR...

>tones of new building blocks and you can even remove pixels from blocks and add them to others not the blocks functionality will go if even 1 pixel is missing

>water infinite? i think not...

>its not all bad though if you die then at least you just loose your xp since your corpse will hold your stuff for you.