Choose a File
Start with the original, or match the File your group is playing.
Choose your File. Get your browser ready. Survive together.
Open the browser game, keep the right controls nearby, and find your friends without getting lost in the menus.
Five original scenarios. Start here if you want to experience the first Outbreak.
Open File #1Opens outbreakweb.com in a new tab. Your game and saves stay there.
File #1 selected. Opens outbreakweb.com in a new tab.
Playing with friends? Choose the same File. Compare the two →
Check for a WebGPU graphics adapter and the JSPI API used by the game. These are local signals, not a speed test or a server status check.
No files are uploaded. Missing WebGPU can use the host’s slower software renderer. Missing JSPI needs a supported browser.
Run the check to see whether this browser returns a graphics adapter.
The game host also checks cross-origin isolation, WebAssembly exception handling, tail calls and SIMD on its own page.
The first load can take time. Let the host finish loading before you decide it has stalled.
Start with the original, or match the File your group is playing.
The game host loads its resources. Avoid repeatedly refreshing the first start.
Choose a player name when prompted, then use the host’s Play control.
Click its view. Enter is Start; J confirms the next choice.
Full startup guide → · Going online? Follow your edition’s room route →
Get one complete answer, then return to the game.
From the first download to the title screen. Know what the browser needs.
OPEN GUIDE 02 / CONTROLSKeyboard and gamepad mappings, tank movement, focus and remapping.
OPEN GUIDE 03 / ONLINESeparate instructions for File #1 and File #2, from names to scenario start.
OPEN GUIDE 04 / SAVESBack up a browser memory card and move it to another device.
OPEN GUIDE 05 / HELPChoose a symptom: graphics, loading, keyboard, rooms or missing saves.
OPEN GUIDE 06 / COMPARECompare the editions before you and your friends open the game.
OPEN GUIDEThe game uses a virtual PS2 memory card in your browser. Each File has its own card. Another browser, device or private window does not automatically share your progress.
Learn how to export a memory card →Importing replaces the matching File’s existing card. Export that card first if you need to keep it.
Instructions checked against the public game interface on October 23, 2026.
See sources and verification limits →The launch button opens outbreakweb.com in a new tab. This independent companion provides the File selector and help. The game host blocks embedded players.
The game host offers solo play and online play. Choose the mode inside the game. A solo mode does not mean the initial browser load works without an internet connection.
No. The host also checks JSPI and other WebAssembly features. It can fall back to slower software graphics when WebGPU is absent. Our check measures two local capability signals; it cannot certify a playable session.
The host provides touch controls and standard gamepad input. Mobile browsers must still pass its startup checks. Landscape orientation helps with touch controls; a connected controller does not guarantee browser compatibility.
The host stores a separate virtual memory card for each File in that browser profile. A player name does not synchronize progress. Export a .ps2 card from the host’s Saves panel to keep a backup.
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