Lua Showcase

Lua is used in many products and projects around the world. Here are some highlights. A different selection is shown every day.

Wikipedia Grim Fandango Defold GitHub
Wikipedia uses Lua as its template scripting language. Read the announcement. "Grim Fandango was the first game that shows Lua could not only be used to make a good game, but that it could be used to make some of the best games ever." (cited here; see also this) Defold is a free engine for professional 2D game development, used at King games and by over 40,000 developers worldwide. All game logic is scripted in Lua. GitHub uses Lua scripts in the infrastructure of GitHub Pages, its static site hosting service.
Corona LÍVE World of Warcraft Volvo
Corona is a free Lua-based cross-platform framework ideal for rapidly creating apps and games for mobile devices and desktop systems. LÍVE is a free framework for making 2D games in Lua. Players of World of Warcraft use Lua to customize the game interface. Volvo cars like the V40 Cross Country embed Lua in their combined instrument panel.