Some folks on NMA made this project named Fallout et tu, which put classic original FO1 into the engine of his sequel, bringing a lot of changes.

Most important one - you can push NPCs out of your way.

https://www.nma-fallout.com/threads/fallout-et-tu-release-v1-0.218045/
https://github.com/rotators/Fo1in2


- Replicates Fallout 1 in 2 almost 1:1.
- Comes with the Hero Appearance mod integrated (Bald Dude, Long Hair Dude, Punk Girl).
- Selected Fallout 2 weapons have been added (sparingly!) to the game world in ways that don't break the game
balance.
- Fallout 2 styled merchant inventory restocking (Optional).
- Party members and generic NPCs can be pushed out of the way.
- Party members level up and change their appearance based on worn armor.
- Party members can be controlled in combat (Optional).
- Automatic door opening and closing (Optional).
- Traverse the wastes on your very own motorcycle (Optional)!
- Continue playing after the main story has been completed (Optional).
- Lots of bugfixes, making the game run more stable than even the original with patches.

Thanks for the heads up!

I just started a playthrough with fallout fixt a couple weeks ago when I stumbled upon this mod. I guess it will allow me to compare the two, but so far fallout et tu is looking pretty good. I like the idea of further modding, especially around junktown / khans / shady sands which seem under developed to the rest of the game.

sounds interesting is it 2d or a 3d version of the game ?

And where did you see 3d version of the Fallout 2?

Nowhere , that's why i asked it.