UI Tweaks by Rederpz
Attempts to tweak certain GUI elements for a better user experience.
UI-AI0000-00001error by , MCreator
FOOOOO
ULV Covers by Filostorm, LordPINE
Adds ULV Components, including working Covers
UNDERCRASHTALE MOD by CRASH8790, MCreator
UNKItem by UNKNOWN_KIM
Many unknown items.
UNO by Saiber Rida, MCreator
Now you can play the best card game ever in your favourite videogame
UNSC Armory (G3ckobot) by G3ckobot aka GeckoBoyJ1
Go to war with the best of the UNSC's weaponry!
UNU Civilian Vehicles
UNU Civilian Vehicles for Minecraft Transport Simulator and Immersive Railroads
UNU Military Vehicles
UNU Military Vehicles for Minecraft Transport Simulator and Immersive Railroads
UNU Parts Lite™
UNU Parts Pack Litemode™ Activator for Minecraft Transport Simulator
UNU Parts Pack
UNU Parts Pack for Minecraft Transport Simulator
UPIckaxe (UPI) by _Dhino_ - SpardaForever, MCreator
A help in you mining!
UPSIMOD
Upsilon, eee
UPnP Support by HumanGamer
Allows you to open up your world for access outside of your LAN using UPnP with the WaifUPnP Library