RetroBlocks+ is a Modded Factions Server, the server runs on Fabric 1.20.1.
You need to be Whitelisted to join.
You need THESE MODS to join

Create Fabric
EmoteCraft
Gravestones
Mod Whitelist
Point Blank
Vista

And these are the Dependencies for these mods.

Fabric API (should have been obvious ngl)
GeckoLib
PnuemonoCore
Moonlight

Optional:

Simple Voice Chat (so you hear Custom Music Discs)
Xaero's Minimap
Xaero's World Map
Sodium
Iris
What kind of Minecraft Server is RetroBlocks+?

RetroBlocks+ is a Minecraft Server that specifically serves players using the Java edition of the game. The server aims to provide a friendly and welcoming environment for players to enjoy a balanced and engaging unknown experience.

Java Server IP: ludinko23.duckdns.org
Minecraft Version: The server operates on version 1.20.1

They offer the following server quality standards: Whitelist

Types of Games and Gameplay on RetroBlocks+?

Minecraft servers offer a diverse range of game modes and gameplay types, which is what sets them apart from one another. RetroBlocks+ is a Minecraft server that offers several types of games and gameplay, including Factions modes.
Server software used to run RetroBlocks+?

Using custom server software provides additional features, customization options, and plugin support compared to the original Minecraft server jar. This server has registered their server to use the following server software: None custom server software registered. We suspect the server uses the original game files.

How do I join the RetroBlocks+ server?
Join with Minecraft Java edition

Click on the Java IP here to copy it: ludinko23.duckdns.org
Open Minecraft and click the Multiplayer tab and click Add Server
Paste the IP into the Add Server option. Click Done
Click Join and enjoy playing on RetroBlocks+