It is a behavioral approximation project, not about matching machine instructions, and quality-of-life changes are made where they make sense. I am using a clean-room approach for understanding Arena's algorithms and data structures, the details of which can be found in the wiki. Inspired by OpenXcom and OpenMW, this started out as a simplistic ray tracing tech demo in early 2016, and is now steadily inching closer to something akin to the original game. Some of the in-game interface icons work for example, left clicking the map icon goes to the automap, and right clicking it goes to the world map. Character creation works but character questions and player attributes are not implemented. Collision detection is barebones (just enough for playtesting) and needs work. Fast traveling works and you can go to any city or dungeon on the world map. Citizens wander around cities and the wilderness but cannot be interacted with. No actual gameplay yet, but all locations and interiors can be accessed for testing.

There is support for Windows, Linux, and macOS. It is written in C++17 and uses SDL2, WildMIDI for music, and OpenAL Soft for sound and mixing. This open-source project aims to be a modern engine re-implementation for the 1994 video game The Elder Scrolls: Arena by Bethesda Softworks.

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