An Ultima Online server emulator written in C# .NET

• UpdatedJan 24, 2026
• C#

Create cross-platform classic RPGs in 2D and 3D with powerful built-in world editing tools.

• UpdatedFeb 20, 2026
• Rust

Exult is a project to recreate Ultima 7 for modern operating systems, using the game's original plot, data, and graphics files.

• UpdatedFeb 20, 2026
• C++

Updated Release 27th Oct 2018 Unity based port of Ultima Underworld I and II. Download under releases

• UpdatedFeb 14, 2024
• C#

High performance & Scalable Ultima Online Server Emulator

• UpdatedFeb 17, 2026
• C#

Engine recreation for Ultima Underworld and Ultima Underworld 2 using the Godot Engine

• UpdatedJan 31, 2026
• C#

MobileUO - the first mobile client for Ultima Online!

• UpdatedDec 23, 2024
• C#

Nuvie - New Ultima VI Engine

• UpdatedMar 12, 2025
• C++

A modern Ultima Online server written in PHP

• UpdatedSep 5, 2022
• PHP

Minima is an homage to the 8-bit Ultima games (especially Ultima II - Ultima V) written in the PICO-8 environment.

• UpdatedFeb 19, 2022
• Lua

Ultima Online server emulator

• UpdatedFeb 11, 2026
• C

Ultima Offline eXperiment 3 - the original open source Ultima Online server emulator - v0.99.7

• UpdatedFeb 19, 2026
• C++

xu4 "Ultima IV Recreated"

• UpdatedJun 5, 2025
• C++

Map editor for ultima online

• UpdatedFeb 7, 2026
• C#

Underworld Adventures is a project to recreate Ultima Underworld 1 on modern operating systems, using the original game files.

• UpdatedNov 12, 2025
• C++

Old-school CRPG engine, editor and game

• UpdatedMay 21, 2020
• C++

https://discord.gg/5RtDbkY3fC

• UpdatedFeb 18, 2026
• C#

Ultima IX: Redemption for Morrowind and OpenMW

• UpdatedMar 22, 2017
• Python

Anteform is a retro weird detective game written using the Minima Engine for PICO-8.

• UpdatedAug 1, 2021
• Lua

Ultima 4 in VR

• UpdatedApr 28, 2024
• C#