Rust is great for when you're writing a serious, security-critical program that can't have any memory-corruption bugs or data races. It makes writing programs a little more challenging, and sometimes you sacrifice a bit of runtime performance compared to C, but it's often worth it.

But Game Boy Advance games don't really fit that description. GBA games don't accept untrusted input, and nothing bad happens if they're "compromised". (Like, when people discovered arbitrary code execution in Super Mario World, no one was worried about the security implications.) So languages like C or Zig that let you cowboy values directly into specific memory locations can be a better choice.

I'm excited about Zig in particular because the mission statement seems to be "C but nicer" -- you get the same basic programming model, but with things like instance methods, generic types, better macros, arbitrary-bit-integer types and a "crash when hitting undefined behavior" compile mode.