Red Alert 2 in Browser

Updated Oct 13, 2026 · 1 more we checked and added

Chrono Divide is a fan-made recreation of Command & Conquer: Red Alert 2 built with web technology. The client runs in your browser with no plugins, and it has an active online lobby.

It recreates the engine, not the content. You import the art, sound and maps from your own copy of Red Alert 2, and the browser keeps them locally for next time.

What Red Alert 2 in browser actually is

Red Alert 2 in browser means Chrono Divide, a non-profit fan project that recreates the Red Alert 2 game client with web technology. It is not an emulator and not a copy of the original program. The team rebuilt the game's behavior from scratch so it runs in a tab.

The project is in beta, but it already supports multiplayer, all the original maps, replays and mods. It is not affiliated with Electronic Arts, which owns Command & Conquer.

Files you need

The client is small, about 1 MB. What it does not include is the game's art, sound and maps. Those come from Red Alert 2 itself, and you import them on the first visit in one of two ways: point the client at an installed copy of the game, or give it an archive of the game's .mix files. After import, the browser keeps the assets locally so you do not repeat the step every time.

The import screen also offers to fetch an archive from a web URL. We recommend using your own copy instead, so you know exactly what you are loading and where it came from.

Online multiplayer and skirmish

Online play is where Chrono Divide stands out. It uses a client-server model, so you do not need to forward ports on your router or set up a LAN tunnel the way old RTS games often required. You join the online lobby, find a game and play.

There are leaderboards for competitive players, and replays let you watch matches back afterwards. If you would rather learn the ropes first, skirmish against the computer on the original maps.

About Red Alert 2

Westwood Studios released Command & Conquer: Red Alert 2 in 2000. It is a real-time strategy game set in an alternate history in which the Soviet Union invades the United States, and you command either the Allies or the Soviets.

It is remembered for its campy live-action cutscenes and its memorable units and structures, from Soviet Tesla coils to the Allied Chronosphere, which teleports units across the map. It is widely remembered as a series favourite.

Red Alert 2 in browser vs the original game

Because Chrono Divide rebuilds the game rather than running the original program, it will not match Red Alert 2 in every detail. The project aims for parity with the original but is still in beta, so you may notice small differences in behavior. The upside is that it runs in a modern browser with an active online lobby.

Devices and troubleshooting

Display: the project asks for at least 1024x768. Smaller windows will not fit the interface.
Phones and tablets: the project says they work. A larger tablet is more comfortable than a phone for an RTS.
Controls: you can choose classic left-click controls, as in the original, or modern right-click controls.
Import errors: check that you picked your Red Alert 2 install folder, or an archive of its .mix files.
Assets gone: clearing site data removes the imported files, so you will need to import them again.

If you like building and managing more than fighting, try OpenTTD in browser. For every other port we have checked, see PC games in browser.

Tips before you play

Have your Red Alert 2 install folder ready before you open the game client.
Use a desktop or a tablet with at least a 1024x768 display. Mouse control matters in an RTS.
Expect small differences from the original game. The project aims for parity but is still in beta.