BO1 Browser - Black Ops 1 Zombies, Free Online

The BO1 browser game is a fan-made port of Call of Duty: Black Ops zombies that runs straight in a tab - all 10 original zombie maps, single player or multiplayer, no download and no purchase required.

Free - plays in browser 10 zombie maps Solo + multiplayer Desktop recommended

Enter a player name on the setup screen, pick single player or multiplayer, then choose a map to drop in.

Black Ops 1 zombies (unofficial browser port)
First load pulls the map and engine files. Give the game a moment, then click inside it so your keyboard and mouse are captured.
Unofficial fan port: this black ops browser game is not an Activision or Treyarch release. Similar fan ports have been taken down by DMCA in the past, so it can change or go offline without warning. It never asks for an account, a purchase or an Activision login.

Getting into a match

  1. 1
    Set a player name

    Up to 16 letters, numbers, spaces, dots, underscores or exclamation marks.

  2. 2
    Pick a mode

    Single player runs solo offline-style; multiplayer drops you into shared lobbies with other players.

  3. 3
    Choose guns and graphics

    Classic keeps the Black Ops weapon feel; Counter-Strike swaps in the CS-style set. Drop graphics to Low if the frame rate stutters.

  4. 4
    Choose map

    The ten zombie maps span the World at War trio (Nacht der Untoten, Verruckt, Shi No Numa, Der Riese) through the Black Ops DLC maps - Kino der Toten, Five, Ascension, Call of the Dead, Shangri-La and Moon.

Quick survival notes

  1. 1
    Click to lock your mouse

    Aim is mouse-look like the original; click inside the game window to capture the cursor, press Esc to release it.

  2. 2
    Early rounds are about points

    Knife and body-shot early zombies to bank points, then open doors toward the power and the box before the rounds speed up.

  3. 3
    Keep moving in multiplayer

    Teammates share the same zombie cap pressure - train zombies in wide loops instead of holding corners.

Common questions

  1. ?
    Is the BO1 browser game official?

    No. Activision never released a browser version of Black Ops or its zombies mode - everything playable in a tab is unofficial fan work.

  2. ?
    Does it have multiplayer?

    Yes - pick MULTIPLAYER on the setup screen to join other players online, or run SINGLE PLAYER to play alone.

  3. ?
    Does it work on a phone or Chromebook?

    It is a 3D shooter designed around keyboard and mouse; a desktop or laptop gives a playable experience, touch controls are limited.

  4. ?
    Is it the same as "bo1 zombies browser"?

    Same thing - BO1, Black Ops 1 and "bo1 zombies browser" all refer to this fan-made browser build of the Black Ops zombies mode.