Lua would definitely help with iteration times vs. C/C++/Rust but C# compiles very quickly. Especially in Unity where you have an editor that keeps assets cache

Lua would definitely help with iteration times vs. C/C++/Rust but C# compiles very quickly. Especially in Unity where you have an editor that keeps assets cached and can hot reload code changes (with a plugin). Coroutines can definitely be very useful for games and they're also available in C#.