|Latest release||20210517 (Announcement)|
|Media license||CC-BY-SA-4.0, CC-BY-3.0-US|
|P. language||C#, Lua|
|Library||SDL2, OpenGL, FreeType, OpenAL|
|OpenHV is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.|
The game rules are written in the MiniYaml text format, which is a variant of YAML that allows tab indention. Missions are scripted using Lua. C# is used to write gameplay logic. The game assets are loaded from PNG with added frame metadata for graphics and standardized WAV files for sound. Custom maps can be created and distributed to make (co-op) missions, modded multiplayer and mini-games.