Highball

Run Windows games on Apple Silicon. Free, open, and never locked to one Wine build.

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Highball is a native macOS app (and CLI) that sets up Wine, DXMT, D3DMetal and DXVK for you, installs Steam or connects your Epic library, and tells you honestly what runs, what doesn't, and which renderer to use.

The difference is the data. Every verdict comes from an open, CC0 compatibility database: verified runs, per-game renderer verdicts, and the kernel-anti-cheat blocklist, with provenance on every claim. It's a standalone dataset any tool can build on (highball-db, browsable at gethighball.com/database), so you can check whether your game runs before downloading a byte.

Download

Download Highball for Apple Silicon (.dmg)

macOS 14+, notarized. Drag it to Applications, open it and press Get started: Highball installs Rosetta if needed, downloads the engine and prepares a Windows environment, then asks where your games are (Steam, Epic, or a Windows program you have).

Or with Homebrew:

brew install --cask highball

Not sure it'll run your game? Check the compatibility database →

Beta, working end to end: one-button setup → Steam login → game, with the graphics

mode picked per game from the database and msync-accelerated launches. Auto-updating. Not a paid

tool and not a thin wrapper: engines are assembled from pinned, SHA-256-verified upstream

builds, and the compatibility data is public and free for anyone to reuse.

Will my game run?

That's the whole point of the project, so the answer lives in an open, CC0 database: a verified renderer verdict, the frame rate people actually got, and provenance on every claim. Verified runs, community reports and machine-derived predictions are labelled separately, so you always know which one you're looking at, and it flags kernel-anti-cheat titles as impossible before you download 80 GB.

Search your game in the database →

Cyberpunk 2077, for one, runs 60–82 fps on an M5 (D3DMetal + FSR 2.1), and Red Dead Redemption 2 plays on an M1 Pro after a MoltenVK fix that is now a pull request upstream. Renderer switching, 32-bit apps via Wine's WoW64, Windows runtimes, ReShade, and your Epic library via Legendary work too.

Launchers

Steam and Epic (through Legendary) work on the default engine. Rockstar, the EA app and Ubisoft Connect draw their sign-in windows in an embedded browser that needs Highball's Wine 11 engine (built from the CrossOver 26.3 tree); Play offers that engine when a game needs it, and you can move an environment to it in Settings. Rockstar signs in and runs GTA V and Red Dead Redemption 2 here, the EA app signs in and runs The Sims 4, Ubisoft Connect and Battle.net show their sign-in windows but no game has been played through them here yet. GOG Galaxy still comes up black, so you can't sign in; GOG's DRM-free offline installers run directly in an environment instead. Each case is tracked in the launcher recipe's knownIssues.

Getting started

Requires Apple Silicon and macOS 14+, and prompts for Rosetta 2 if needed.

First run takes a while: the engine download is a few hundred MB, and Steam's first launch unpacks its own ~235 MB client. Under Rosetta that can take 15 to 25 minutes; the strip at the bottom of the window shows the step, the elapsed time and the range it usually takes. Let it finish. If it stalls, relaunch and it resumes.

Everything lives in ~/Library/Application Support/Highball/. Nothing touches /usr or /Library; deleting that folder is a full uninstall.

⌘C / ⌘V / ⌘A work inside Windows apps — the Command keys are mapped to Ctrl, and Option to Alt so Alt-based game bindings keep working. Turn it off per environment (Settings, then Environments) for Wine's default, where Command acts as Alt.

git clone https://github.com/gauthierpiarrette/highball && cd highball        # the app + CLI
git clone https://github.com/gauthierpiarrette/highball-db ../highball-db     # recipes + game database (CC0)
swift build -c release
.build/release/highball engine install spike/engine-manifest.json
.build/release/highball engine accept x64-sikarugir10.0_6-r2 apple-gptk-license-2023-08-17  # optional: D3DMetal
.build/release/highball bottle create play --recipe steam
.build/release/highball run play Steam

Played something? highball report files the result to the open database (community reports already cover M4, M5 and macOS 15). The in-app Report a Problem button is for bugs in Highball itself. Questions and quick help: the Highball Discord.

Why Highball is built this way

This niche has a cautionary tale: Whisky was archived in 2025. Highball is built to avoid the ways these tools tend to die:

• Engine-agnostic, and every patch is public. Engines are assembled from *pinned,

• The database is the product. Recipes ("Steam needs sync: none; this game needs

• Additive to the ecosystem. Bugs go upstream, donation links point at Gcenx and DXMT,

Architecture in one paragraph

highball (CLI) and the app are thin views over HighballKit: an engine is a manifest-defined bundle (Wine + runtime dylibs + renderer overlays) laid out under engines/; a bottle is a WINEPREFIX plus bottle.json; renderers (WineD3D / DXMT / D3DMetal / DXVK) are directory overlays selected per launch via WINEDLLPATH_PREPEND; recipes are declarative JSON steps (installer, registry, winetricks, sync, renderer, pin, copy, file, note) applied to a bottle. D3DMetal is gated behind explicit acceptance of Apple's Game Porting Toolkit license and is never redistributed in this repository.

Contributing

• Game results: highball report "