> For the complete documentation index, see [llms.txt](https://slavi.gitbook.io/opentibiaunity/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://slavi.gitbook.io/opentibiaunity/master.md).

# Introduction

## Open Tibia

Open Tibia (abbreviated OT) is an open-source role-playing game with which people may create their own servers for the public to play. They may have unique content with their own maps and features, and different skill/level rates than the original Tibia.

## Open Tibia-Unity

Open Tibia Unity (abbreviated OTU) is a collection of projects aimed to boost the creation and gameplay of OTs. It's all developed using Unity3D game engine to allow for flexibility and to grow the community of OT by opening all doors to a new technology!

![OpenTibiaUnity game-client in action](/files/-Ln57HW4nBuHSTuD_ryz)