# Azeroth Survivors Co-op: Host a Lobby, Share the Code and Match Versions

> Azeroth Survivors co-op holds up to five heroes: one host shares a lobby code, and everyone needs the same game version and the host's zone open.

Azeroth Survivors is an unofficial fan game made by Aethus and is not a Blizzard Entertainment game. This wiki is run by UBG76, which is not the developer or the official site.


Page: https://ubg76.uk/wiki/azeroth-survivors/guides/co-op/

- Game: Azeroth Survivors
- Verified version: 0.132.0
- Verified date: October 31, 2026


Azeroth Survivors has co-op for two to five players. One player hosts a lobby from the hero picker, friends join with its code or from the public list and the whole party enters the host's zone together. Two problems block most joins: a friend on a different game version and a friend whose class has not opened the host's zone or difficulty yet. We read every co-op message in the 0.132.0 client for this guide. We have not run a full five-player party ourselves, so treat connection behavior as the game describes it rather than something we timed.

## How many players can join?

A party holds up to five players, and a co-op run needs at least two. The lobby shows the count as "Party: 2/5" and so on, and a sixth player gets the message "the party is full." If you host and try to start alone, the game stops you with "A co-op run needs at least two players: share the lobby code and wait for someone to join."

## How do you host a lobby?

Set up your hero and zone on the picker first, then choose Host the lobby. The game is clear about this: "Your hero and zone are the picker's. Friends join with the lobby's code; enter the zone when everyone is in." You can give the lobby a name, and the game rejects some names with "that lobby name isn't allowed."

Share the lobby code with your friends, wait for them to show up and then enter the zone. "Close this window and enter the zone: everyone in the party comes along." The run uses the host's zone and difficulty. Each player still plays their own hero, with their own class, gear and talents. During the run you get a text party chat and a party DPS meter. After a victory, the host decides whether the party keeps fighting in endless mode or goes back to the lobby.

## How do friends join?

Friends join by code or by clicking a lobby in the public list. Choose Join by code and type the code the host sent, or open the list, which shows "Public lobbies of this version." When it works, everyone sees a line that names the new hero, race, class and zone, such as "Ayla the Gnome Mage joins the party in Elwynn Forest." From there you wait. The game tells you: "You play the hero on your picker, in the host's zone." When the host enters, you come along.

If the host drops, the game shows "The host lost connection, reconnecting..." and then "The host is back." If your own connection drops, it tries to reconnect you to the party.

## Why can't my friend join?

Almost every failed join comes with a short reason from the game. These are the ones we found in the client:

| Message | What it means | Fix |
|---|---|---|
| that lobby plays a different version of the game | Your builds do not match | Both players reload the official page |
| no lobby with that code | The code is wrong or the lobby closed | Check the code, or ask the host for a new one |
| the party is full | Five players are already in | Wait for a slot |
| already in a lobby | You are still in another party | Leave the party first |
| too many lobbies open; try again later | The co-op service is crowded | Try again later |
| the co-op service cannot be reached | The game cannot reach the co-op server | Try again later |
| co-op needs the game's site | You are on a copy of the game | Play at wow.aethus.pl |

Zones and difficulty cause the other common problem. "Everyone who joins needs this zone and difficulty open with their class." A friend who has only beaten Elwynn Forest with a Mage cannot follow a host into Duskwood on that Mage. The lobby marks those heroes in red, and they stay behind when the host enters. The fix is to pick a zone everyone has opened, often [Elwynn Forest](/wiki/azeroth-survivors/zones/elwynn-forest/), or let that friend switch to a hero who has the zone.

The Windows download is dated October 19, 2026 on the server, while the browser build we checked is from October 31. A player on the Windows version and a player in the browser will likely hit the version message, though we have not tested that pairing.

## Which achievements need a full party?

Eight achievements in the 0.132.0 client ask for five players, and most of them also fix the classes:

| Goal | Party |
|---|---|
| Defeat [Edwin VanCleef](/wiki/azeroth-survivors/bosses/#edwin-vancleef) with all five players on different classes | 5 players |
| Complete any zone with all five players on the same class | 5 of one class |
| Complete Un'Goro Crater with five Hunters | 5 Hunters |
| Defeat [High Inquisitor Whitemane](/wiki/azeroth-survivors/bosses/#high-inquisitor-whitemane) with five Paladins, each with Consecration as their highest-ranked spell, and Consecration landing the killing blow | 5 Paladins |
| Defeat [Nefarian](/wiki/azeroth-survivors/bosses/#nefarian) with five Shamans, each with [Magma Totem](/wiki/azeroth-survivors/spells/magma-totem/) as their highest-ranked spell, and Magma Totem landing the killing blow | 5 Shamans |
| Defeat [Kel'Thuzad](/wiki/azeroth-survivors/bosses/#kelthuzad) on Heroic III with five [Druids](/wiki/azeroth-survivors/classes/druid/), all talented into Tranquility, and Tranquility landing the killing blow | 5 Druids |
| Defeat [Hakkar](/wiki/azeroth-survivors/bosses/#hakkar-the-soulflayer) with five [Warriors](/wiki/azeroth-survivors/classes/warrior/), all talented into Bladestorm, and Whirlwind landing the killing blow | 5 Warriors |
| Beat Heroic III or harder in a party of five | 5 players |

Several more need a smaller group. One asks you to win with three or more heroes, all wearing the same set's 8-piece bonus. Another asks you to survive 40 minutes or longer in Naxxramas on Heroic V with at least two other players. A handful need just one partner, such as defeating [C'Thun](/wiki/azeroth-survivors/bosses/#cthun) on Heroic III or harder, completing Duskwood with no one dying or completing all 12 zones in co-op across any number of runs. Achievements earn the points that open races and perks for your whole account, so co-op runs pay off for solo play too. The [achievements table](/wiki/azeroth-survivors/achievements/) lists all 17 Co-op goals with their points. Tranquility is a Druid milestone talent listed in the [talents table](/wiki/azeroth-survivors/talents/). To get started, open the game from the [Azeroth Survivors game page](/game/azeroth-survivors/), and read the [zones guide](/wiki/azeroth-survivors/guides/zones-unlock-boss-timers/) to see which zone everyone in your group can reach.


## Which wiki entries support this guide?

Use these entries to check the game facts discussed in this guide.

- [Elwynn Forest](https://ubg76.uk/wiki/azeroth-survivors/zones/elwynn-forest/): Elwynn Forest is zone 1 of 12 in Azeroth Survivors, subtitled The Defias Uprising, where five bosses arrive on a clock and Edwin VanCleef waits at 16:00.
- [Edwin VanCleef](https://ubg76.uk/wiki/azeroth-survivors/bosses/#edwin-vancleef): Edwin VanCleef is the final boss of Elwynn Forest in Azeroth Survivors, arriving at 16:00 with 52,500 base health.
- [Kel'Thuzad](https://ubg76.uk/wiki/azeroth-survivors/bosses/#kelthuzad): Kel'Thuzad is the final boss of Naxxramas in Azeroth Survivors, arriving at 20:00 with 58,500 base health.
- [C'Thun](https://ubg76.uk/wiki/azeroth-survivors/bosses/#cthun): C'Thun is the final boss of Gates of Ahn'Qiraj in Azeroth Survivors, arriving at 20:00 with 55,500 base health.
- [Nefarian](https://ubg76.uk/wiki/azeroth-survivors/bosses/#nefarian): Nefarian is the final boss of Blackrock Mountain in Azeroth Survivors, arriving at 20:00 with 60,000 base health.
- [High Inquisitor Whitemane](https://ubg76.uk/wiki/azeroth-survivors/bosses/#high-inquisitor-whitemane): High Inquisitor Whitemane is the final boss of Scarlet Monastery in Azeroth Survivors, arriving at 18:00 with 57,000 base health.
- [Druid](https://ubg76.uk/wiki/azeroth-survivors/classes/druid/): Druid is one of the nine Azeroth Survivors classes: it starts each run with Wrath on 205 base health and draws from a 12-spell pool.
- [Magma Totem](https://ubg76.uk/wiki/azeroth-survivors/spells/magma-totem/): Magma Totem is a Fire spell in the Shaman spell pool of Azeroth Survivors, with a base interval of 12 seconds between casts.
- [Tranquility](https://ubg76.uk/wiki/azeroth-survivors/talents/#druid-tranquility): Tranquility is a Druid milestone in the Restoration tree of Azeroth Survivors, on row 5 with 1 rank.
- [Better Together](https://ubg76.uk/wiki/azeroth-survivors/achievements/#better-together): Better Together is a 10-point Co-op achievement in Azeroth Survivors that asks you to complete your first zone with at least one other player.
- [Hakkar Smoothie](https://ubg76.uk/wiki/azeroth-survivors/achievements/#hakkar-smoothie): Hakkar Smoothie is a 50-point Co-op achievement in Azeroth Survivors that asks you to defeat Hakkar with 5 Warriors, all talented into Bladestorm. Whirlwind must deliver the killing blow.

## What else do players ask about Azeroth Survivors co-op?

### Does Azeroth Survivors co-op have voice chat?

Not that we found. The lobby has a text party chat, so use your own voice app if you want to talk.

### Does co-op cost anything?

No. Co-op is part of the same free browser game at wow.aethus.pl, with no account or sign-in.

## Which other guides can help you play?

7 more guides cover Azeroth Survivors.

- [Azeroth Survivors Best Class: Paladin and Hunter Give New Players the Most Room](https://ubg76.uk/wiki/azeroth-survivors/guides/best-class-tier-list/): On the 0.132.0 game data, the Paladin has the most base health and the Hunter the longest starting reach, which makes them the easiest first picks.
- [Azeroth Survivors Download and Mobile: Windows Skips WebGPU, Phones Are Untested](https://ubg76.uk/wiki/azeroth-survivors/guides/download-windows-mobile/): The only official Azeroth Survivors download is a Windows RAR on wow.aethus.pl; phone support is partial and untested by us, and there is no Mac download.
- [Azeroth Survivors Not Working: Fix WebGPU First, Then Check the Busy Server](https://ubg76.uk/wiki/azeroth-survivors/guides/not-working-webgpu/): Most Azeroth Survivors start failures come from WebGPU, so check your browser and graphics settings before you blame the busy server.
- [Azeroth Survivors Save Backup: Export Before You Clear Your Browser](https://ubg76.uk/wiki/azeroth-survivors/guides/save-backup/): Azeroth Survivors keeps your save in browser storage, so export a file from Options, Saves before you clear site data or switch browsers.
- [Azeroth Survivors Boss Timers: When Every Boss Arrives in All 12 Zones](https://ubg76.uk/wiki/azeroth-survivors/guides/zones-unlock-boss-timers/): Azeroth Survivors sends five bosses on a set clock in each of its 12 zones, with the final boss at 16:00, 18:00 or 20:00, and the zones open one at a time per class.
- [How to Play Azeroth Survivors: Move, Pick Cards and Beat the Boss Clock](https://ubg76.uk/wiki/azeroth-survivors/guides/how-to-play/): In Azeroth Survivors you only move: spells cast themselves, you pick one card per level and five bosses arrive on a fixed clock until the last one falls.
- [Is Azeroth Survivors Official? No, It Is a Fan Game by Aethus](https://ubg76.uk/wiki/azeroth-survivors/guides/is-it-official/): Azeroth Survivors is an unofficial fan game by Aethus, not a Blizzard product, and its only official home is wow.aethus.pl.

[See all guides](https://ubg76.uk/wiki/azeroth-survivors/guides/)



## Which sources support this page?

Official game client build 0.132.0 (wenilla_bg.wasm) and Azeroth Survivors official site support this page, verified against version 0.132.0.

- [Official game client build 0.132.0 (wenilla_bg.wasm)](https://wow.aethus.pl/)
- [Azeroth Survivors official site](https://wow.aethus.pl/)



## Start

- Play Azeroth Survivors: https://ubg76.uk/game/azeroth-survivors/ (opens on wow.aethus.pl)
- Azeroth Survivors Wiki: https://ubg76.uk/wiki/azeroth-survivors/
- Classes: https://ubg76.uk/wiki/azeroth-survivors/classes/
- Spells: https://ubg76.uk/wiki/azeroth-survivors/spells/
- Talents: https://ubg76.uk/wiki/azeroth-survivors/talents/
- Zones: https://ubg76.uk/wiki/azeroth-survivors/zones/
- Bosses: https://ubg76.uk/wiki/azeroth-survivors/bosses/
- Races: https://ubg76.uk/wiki/azeroth-survivors/races/
- Gear sets: https://ubg76.uk/wiki/azeroth-survivors/gear-sets/
- Achievements: https://ubg76.uk/wiki/azeroth-survivors/achievements/
- Codex: https://ubg76.uk/wiki/azeroth-survivors/codex/
- Difficulty levels and affixes: https://ubg76.uk/wiki/azeroth-survivors/difficulty/
- Game wikis: https://ubg76.uk/wiki/
- All games: https://ubg76.uk/games/