Straight answers.

A free Mac app, to be released as open source, that aims to run your Windows Steam games on Apple Silicon. The name joins the Japanese words zen (all) and bashi (bridge).

Not yet. Zenbashi is a preview. Steam runs and a first game (Path of Exile) runs, but nothing is ready for the public.

Yes. It is free software, to be released under GPL-3.0-or-later, and there is no paid tier. Once the channels open, people can support it with optional donations, bounties or grants. Donations are gifts and come with no public expense reporting.

No, that is the point. Zenbashi is designed so that you never install Wine or see its dialogs. Setup is meant to be automatic. During the prototype stage that is still being built.

The goal is every Apple Silicon Mac from M1 onward, without hard-coding any one chip; no chip has been tested yet. Apple's D3DMetal needs Apple Silicon and is not available on Intel Macs. Intel Macs would be best effort at most and have not been tested.

No. Compatibility varies by game and by chip, which is why Zenbashi keeps a compatibility database instead of making promises.

Games that rely on kernel-level anti-cheat generally will not run this way, and Zenbashi does not try to get around anti-cheat. For those, a cloud gaming service that runs the game on a Windows machine and streams it to your Mac is the practical alternative. Zenbashi does not run one.

Release builds are planned to include it together with Apple's license notices, because Zenbashi is distributed free and for non-commercial use. The plan is that you can also point it at a toolkit you downloaded from Apple yourself.

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Test games once a build exists, report results, translate, write code or documentation, or support the project. See the open source page.