Or consider julia for the game as you can start with dynamic types and JIT to get quick results and go static (even compile to cpp in the future) with https://discourse.julialang.org/t/syslabcc-suzhou-tongyuans-... later.

See discussions like https://discourse.julialang.org/t/rust-vs-c-and-vs-julia-and... https://discourse.julialang.org/t/should-we-make-a-push-into...