Link: https://github.com/ioncodes/gecko/releases/tag/public-release

A GameCube/Wii emulator and debugger written in Rust. - Release Public Release · ioncodes/gecko

Gecko is still in development. While many games work well, most will likely have varying degrees of visual glitches or will be outright broken. Refer to the screenshot databases to gauge compatiblity:

GameCube  
Wii  

Note: Only NTSC games are tracked. The screenshot service makes a best effort attempt to enter games by pressing random buttons. Just because a game doesn't go ingame, doesn't mean it actually doesn't.

Strange naming choice.

https://en.wikipedia.org/wiki/Gecko_(software)

It is named after the CPU the GameCube used
https://en.wikipedia.org/wiki/Gekko_(processor)

Thanks.

Now I wonder why they chose a spelling that differs from the GameCube processor and conflicts with the already well-known Gecko project. Gecco would have been a safer variation.

I guess naming really is hard.

Probably they did not know about the software. There also an inactive gamecube emulator called Gekko https://github.com/shonumi/gekko-gc-emu
Maybe an original name would have been better.