ClassicUO is an open source implementation of the Ultima Online Classic Client.

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Introduction[color=var(--fgColor-accent, var(--color-accent-fg))]

ClassicUO is an open source implementation of the Ultima Online Classic Client. This client is intended to emulate all standard client versions and is primarily tested against Ultima Online free shards.

The client is currently under heavy development but is functional. The code is based on the [color=var(--fgColor-accent, var(--color-accent-fg))]FNA-XNA framework. C# is chosen because there is a large community of developers working on Ultima Online server emulators in C#, because FNA-XNA exists and seems reasonably suitable for creating this type of game.

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ClassicUO is natively cross platform and supports:

• Browser [Chrome]
• Windows [DirectX 11, OpenGL, Vulkan]
• Linux [OpenGL, Vulkan]
• macOS [Metal, OpenGL, MoltenVK]
  

Download & Play![color=var(--fgColor-accent, var(--color-accent-fg))]
PlatformLink
Browser[color=var(--fgColor-accent, var(--color-accent-fg))]Play!
Windows x64[color=var(--fgColor-accent, var(--color-accent-fg))]Download
Linux x64[color=var(--fgColor-accent, var(--color-accent-fg))]Download
macOS x64[color=var(--fgColor-accent, var(--color-accent-fg))]Download

Or visit the [color=var(--fgColor-accent, var(--color-accent-fg))]ClassicUO Website