A crosshair for any game.

CrossOver draws a crosshair in its own see-through window, on top of whatever you're playing. The game itself is never touched.

Download free

For Windows, macOS and Linux.

Try a few. The app has 530.

Free since 2019
1,250+ stars on GitHub
2.8 million downloads

A window above your game, and nothing more.

CrossOver is a small window with a transparent background that stays on top of everything else. Your mouse and keyboard go straight through it to the game.

Clicks pass through: Once it's locked, the window ignores the mouse. Press Ctrl Alt Shift X to unlock it.
Hands off the game: It doesn't inject code, read memory or open game files. Nothing gets installed into the game.
Light on your PC: It's one small window. If you do see a frame drop, turning off hardware acceleration in its settings usually fixes it.
Quiet on the network: The only thing it connects to is GitHub, to check for updates. You can switch that off.

530 crosshairs, or bring your own.

Real scope reticles, dots, chevrons, and a few odd ones people asked for over the years. Drag any PNG, SVG or GIF onto CrossOver to use it instead. Size, color, opacity and the center dot are all yours to change.

Set it once. It stays out of the way.

Everything works from the keyboard, so you never have to leave the game to adjust it.

Hides while you aim: Bind a mouse button and the crosshair disappears while you hold it, so it never fights your scope.
Every monitor: Jump it to the next display with one shortcut.
More than one: Pin up to 14 copies when you need to mark more than one spot.
Remembers your setup: Your crosshair, its position and every setting are there next time you start it.

Default shortcuts
Lock or unlock	`CtrlAltShift` `X`
Move one pixel	`CtrlAltShift` `←→`
Hide or show	`CtrlAltShift` `H`
Center on screen	`CtrlAltShift` `C`
Next monitor	`CtrlAltShift` `M`

On a Mac, use Control, Option and Shift. You can remap any of these.

Questions people ask first

Can I get banned for using it?

CrossOver doesn't touch the game, which is why most games don't care that it's running. But every game sets its own rules, and nobody can promise what an anti-cheat system will decide.

Two cases we know about: Sea of Thieves has flagged players for crosshair overlays, so don't use it there. Escape from Tarkov won't start while CrossOver is open. If you play ranked or for money, read your game's rules first.

Does it work in fullscreen?

Run your game in windowed or borderless mode. Exclusive fullscreen usually draws over it, and a few Vulkan games, like Rainbow Six Siege, don't show it at all. The README keeps a list of games people have tested.

Will it lower my frame rate?

It shouldn't. It's a single small window. A handful of people have seen drops in certain games (issue #70), and turning off hardware acceleration in CrossOver's settings fixed it for them.

Why does my computer warn me when I open it?

The downloads aren't code-signed, so Windows and macOS ask before opening them the first time. On Windows, click More info, then Run anyway. On a Mac, Control-click the app and choose Open.

If you'd rather skip that, install it from the Microsoft Store or the Snap Store. Every build comes from the public code on GitHub.

Is it really free?

Yes. There's no account, no ads and no trial. If it's useful to you, you can sponsor its development.

Is it only for games?

No. People use it to line up a monitor, mark the middle of a screen recording, or give their eyes a fixed point when first-person games make them feel queasy.