Lobby and matchmaking basics in Unity - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a new lobby with a maximum of 4 players.

Unity

var options = new CreateLobbyOptions { MaxPlayers = [1] };
LobbyService.Instance.CreateLobbyAsync("MyLobby", options);

Drag options to blanks, or click blank then click option'

A2

B4

C8

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Setting MaxPlayers to 1 limits the lobby to only one player.

Using a number larger than intended can cause unexpected behavior.

The maximum number of players is set to 4 to allow up to 4 players in the lobby.

2fill in blank

medium

Complete the code to join a lobby by its ID.

Unity

var lobby = await LobbyService.Instance.JoinLobbyByIdAsync([1]);

Drag options to blanks, or click blank then click option'

A"gameMode"

B"lobbyName"

C"playerName"

D"12345"

Attempts:

3 left

💡 Hint

Common Mistakes

Using the lobby name instead of the lobby ID.

Passing player or game mode strings instead of the lobby ID.

You need to provide the lobby ID as a string to join the correct lobby.

3fill in blank

hard

Fix the error in the code to properly list all available lobbies.

Unity

var lobbyList = await LobbyService.Instance.[1]();

Drag options to blanks, or click blank then click option'

AListLobbiesAsync

BRetrieveLobbies

CFetchLobbies

DGetAllLobbiesAsync

Attempts:

3 left

💡 Hint

Common Mistakes

Using a method name that does not exist in the LobbyService API.

Forgetting the 'Async' suffix for asynchronous methods.

The correct method to list all lobbies is ListLobbiesAsync.

4fill in blank

hard

Fill both blanks to create a lobby and set it to be private.

Unity

var options = new CreateLobbyOptions { [1] = 6, [2] = true };
await LobbyService.Instance.CreateLobbyAsync("PrivateLobby", options);

Drag options to blanks, or click blank then click option'

AMaxPlayers

BIsPrivate

CIsPublic

DPlayerCount

Attempts:

3 left

💡 Hint

Common Mistakes

Using IsPublic instead of IsPrivate.

Confusing PlayerCount with MaxPlayers.

MaxPlayers sets the maximum players, and IsPrivate makes the lobby private.

5fill in blank

hard

Fill all three blanks to update the lobby's data with a new game mode and max players.

Unity

var updateOptions = new UpdateLobbyOptions {
    Data = new Dictionary<string, DataObject> {
        { "GameMode", new DataObject(DataObject.VisibilityOptions.Public, [1]) }
    },
    [2] = [3]
};
await LobbyService.Instance.UpdateLobbyAsync(lobby.Id, updateOptions);

Drag options to blanks, or click blank then click option'

A"Deathmatch"

BMaxPlayers

C8

D"CaptureTheFlag"

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong game mode string.

Mixing up the property names for max players.

The game mode is set to "Deathmatch", MaxPlayers is updated to 8.