PRIVATE CO-OP · UP TO FOUR PLAYERS
Same undead.
Your squad.
The original Zombies browser engine.
Your game files. Your host. One invite link.
INVITE REQUIRED
This host is private.
Open the full invite link your friend sent you. If this is your machine, open http://127.0.0.1:8787.
CHOOSE YOUR BATTLEGROUND
The operations
Host your game.
Pick a map and click Host game. Friends use your saved invite to join. Up to four players.
Browser downloads are cached on each player's computer.
Advanced host settings
The BO1 Zombies desktop shortcut starts internet sharing automatically. Wait for Internet address set, then host a game and copy your saved invite.
Field manual +
Double-click BO1 Zombies on your desktop. The game host and internet sharing start together.
Copy your friend invite once. It follows your current map and friends can bookmark it. Friends open the full link in desktop Chrome or Edge.
Everyone waits until the in-game lobby says Ready. The host starts first, then friends click into the game.
Everyone receives the same engine and map files from this host. Use a desktop browser with graphics acceleration enabled.
Need another map? Run Download-Game.cmd. Initial downloads require internet; downloaded maps run without the original site.