Godot has plenty of language bindings and its own "Python but not really" language GDScript. GameMaker uses its own GML.

Construct uses Javascript, Löve, Bitty and Defold use Lua.

There’s Bevy if you like Rust.

For 2D games, libGDX, used in many Android indie games.

If you are only interested into desktop, jmonkeyengine is also a possibility.

Most good engines, that also support mobile, game consoles and VR/AR headsets, are bound to use languages supported by the platform SDKs, so there will always be some C or C++.

Unity is a special kind, as they took the effort to create their own C# to native code compiler (even if via translation to C++).

Which is basically what everyone not using either C or C++ has to do, and then create wrappers to all the SDK APIs across all target platforms.

Mach engine is written in Zig