Build settings configuration in Unity - Step-by-Step Execution

Concept Flow - Build settings configuration

Open Unity Editor

↓

Go to File Menu

↓

Select Build Settings

↓

Choose Platform

↓

Add Scenes to Build

↓

Configure Player Settings

↓

Click Build or Build and Run

↓

Unity Compiles and Creates Build Files

↓

Build Complete

This flow shows how to configure build settings in Unity step-by-step, from opening the editor to completing the build.

Execution Sample

Unity

// Pseudocode for build settings configuration
EditorWindow.Open("BuildSettings");
BuildSettings.SelectPlatform("Android");
BuildSettings.AddScene("MainScene");
BuildSettings.SetPlayerSettings("CompanyName", "ProductName");
BuildSettings.Build();

This code simulates opening build settings, selecting platform, adding scenes, setting player info, and building the project.

Execution Table

Step	Action	Input/Selection	Result/State Change
1	Open Build Settings window	User clicks File > Build Settings	Build Settings window opens
2	Select platform	User selects 'Android'	Platform set to Android
3	Add scenes	User adds 'MainScene'	Scene list includes 'MainScene'
4	Configure player settings	Set CompanyName='MyCompany', ProductName='MyGame'	Player settings updated
5	Click Build	User clicks Build button	Build process starts
6	Unity compiles project	Compiling scripts and assets	Build files generated
7	Build complete	Build finishes successfully	Build output ready for deployment

💡 Build completes after compiling and generating output files

Variable Tracker

Variable	Start	After Step 2	After Step 3	After Step 4	After Step 7
Platform	None	Android	Android	Android	Android
Scenes	Empty	Empty	[MainScene]	[MainScene]	[MainScene]
CompanyName	Default	Default	Default	MyCompany	MyCompany
ProductName	Default	Default	Default	MyGame	MyGame
BuildStatus	Not started	Not started	Not started	Not started	Complete

Key Moments - 3 Insights

Why do I need to add scenes to the build settings?

Only scenes added to the build settings will be included in the final build. See execution_table step 3 where adding 'MainScene' updates the scene list.

What happens if I select the wrong platform?

The build output will be for that platform, which may not run on your target device. Step 2 shows selecting 'Android' sets the platform; changing it later requires reconfiguration.

When does the actual build process start?

The build starts after clicking the Build button, as shown in step 5. Before that, you are only configuring settings.

Visual Quiz - 3 Questions

Look at the execution table, what is the platform set to after step 2?

A iOS

B Android

C Windows

D None

💡 Hint

Check the 'Platform' variable in variable_tracker after Step 2 and execution_table step 2.

At which step does the build process actually start?

A Step 3

B Step 6

C Step 5

D Step 7

💡 Hint

Look at execution_table step 5 where the user clicks Build to start the process.

If you forget to add scenes to the build, what will happen?

A Build will succeed but no scenes will be included

B Build will fail to start

C Build will include all scenes automatically

D Build will include only the first scene

💡 Hint

Refer to key_moments about adding scenes and execution_table step 3.

Concept Snapshot

Unity Build Settings Configuration:
- Open File > Build Settings
- Select target platform (e.g., Android, iOS)
- Add scenes to include in build
- Configure player settings (company, product name)
- Click Build to start compiling
- Build output is generated for deployment

Full Transcript

This visual execution shows how to configure build settings in Unity. First, open the Build Settings window from the File menu. Then select the platform you want to build for, like Android. Next, add the scenes you want included in the build. After that, set player settings such as company and product name. Finally, click the Build button to start the build process. Unity compiles the project and creates the build files. The build completes when the output is ready for deployment. Variables like Platform, Scenes, and BuildStatus change step-by-step as you configure and build.

Practice

1. What is the main purpose of Unity's Build Settings window?

easy

A. To debug runtime errors in the game

B. To write game scripts and logic

C. To select the target platform and scenes for building the game

D. To design game UI elements

Solution

1. Step 1: Understand Build Settings role

   The Build Settings window is where you choose the platform (like Windows, Android) and which scenes to include in the build.

2. Step 2: Differentiate from other windows

   Writing scripts, designing UI, and debugging happen in other parts of Unity, not Build Settings.

3. Final Answer:

   To select the target platform and scenes for building the game -> Option C

4. Quick Check:

   Build Settings = platform + scenes selection [OK]

Hint: Build Settings = choose platform and scenes before building [OK]

Common Mistakes:

• Confusing Build Settings with script editor
• Thinking Build Settings is for debugging
• Assuming UI design happens here

2. Which of the following is the correct way to add a scene to the Build Settings scenes list in Unity Editor?

easy

A. Add the scene path in the Player Settings

B. Write the scene name in the Console window

C. Create a new script and reference the scene

D. Drag the scene file into the Scenes In Build list in Build Settings

Solution

1. Step 1: Identify how to add scenes in Build Settings

   In Unity Editor, you add scenes by dragging them into the Scenes In Build list inside the Build Settings window.

2. Step 2: Eliminate incorrect methods

   Writing scene names in Console, adding paths in Player Settings, or scripting references do not add scenes to the build list.

3. Final Answer:

   Drag the scene file into the Scenes In Build list in Build Settings -> Option D

4. Quick Check:

   Add scenes by dragging into Build Settings list [OK]

Hint: Drag scenes into Build Settings list to include them [OK]

Common Mistakes:

• Trying to add scenes via Console or Player Settings
• Assuming scripts add scenes automatically
• Not opening Build Settings before adding scenes

3. Given this C# build script snippet in Unity Editor:

using UnityEditor;
class BuildScript {
  static void BuildGame() {
    string[] scenes = {"Assets/Scene1.unity", "Assets/Scene2.unity"};
    BuildPipeline.BuildPlayer(scenes, "Builds/MyGame.exe", BuildTarget.StandaloneWindows64, BuildOptions.None);
  }
}

What will this script do when run inside the Editor?

medium

A. Build a Windows 64-bit executable including Scene1 and Scene2

B. Build a MacOS app ignoring the scenes

C. Throw a compile error due to missing namespace

D. Build an Android APK with default scenes

Solution

1. Step 1: Analyze BuildPipeline.BuildPlayer parameters

   The script specifies scenes array with two scenes, output path "Builds/MyGame.exe", target platform StandaloneWindows64, and no special options.

2. Step 2: Understand effect of parameters

   This means it builds a Windows 64-bit executable including the two scenes listed.

3. Final Answer:

   Build a Windows 64-bit executable including Scene1 and Scene2 -> Option A

4. Quick Check:

   BuildPlayer with Windows target = Windows exe build [OK]

Hint: Check BuildTarget and output path to identify build platform [OK]

Common Mistakes:

• Confusing BuildTarget platform
• Assuming scenes are ignored
• Thinking script causes compile error

4. You wrote this build script in Unity Editor:

using UnityEditor;
class BuildScript {
  static void BuildGame() {
    string[] scenes = {"Assets/Scene1.unity", "Assets/Scene2.unity"};
    BuildPipeline.BuildPlayer(scenes, "Builds/MyGame.exe", BuildTarget.Android, BuildOptions.None);
  }
}

But the build fails with an error about invalid output path. What is the likely cause?

medium

A. The output path "Builds/MyGame.exe" is invalid for Android builds

B. The scenes array is empty

C. BuildTarget.Android is not supported in Unity

D. BuildOptions.None disables building

Solution

1. Step 1: Check output path for Android build

   Android builds require output files with .apk or .aab extensions, not .exe files.

2. Step 2: Identify mismatch causing error

   Using "Builds/MyGame.exe" for Android causes invalid path error because .exe is for Windows builds.

3. Final Answer:

   The output path "Builds/MyGame.exe" is invalid for Android builds -> Option A

4. Quick Check:

   Android build needs .apk or .aab output [OK]

Hint: Match output file extension to platform (e.g., .apk for Android) [OK]

Common Mistakes:

• Using Windows .exe extension for Android builds
• Assuming BuildTarget.Android is unsupported
• Thinking BuildOptions.None disables building

5. You want to automate building your Unity game for both Windows and Android platforms using a single script. Which approach correctly handles setting the build target and output path for each platform inside the script?

hard

A. Use one BuildPipeline.BuildPlayer call with BuildTarget.StandaloneWindows64 and output .exe for both platforms

B. Use BuildPipeline.BuildPlayer twice with different BuildTarget and matching output paths (.exe for Windows, .apk for Android)

C. Use BuildPipeline.BuildPlayer with BuildTarget.Android and output .exe file

D. Change Player Settings manually before running the script

Solution

1. Step 1: Understand multi-platform build requirements

   Each platform requires a separate build call with correct BuildTarget and output file extension.

2. Step 2: Identify correct scripting approach

   Calling BuildPipeline.BuildPlayer twice, once for Windows with .exe output, once for Android with .apk output, automates both builds properly.

3. Final Answer:

   Use BuildPipeline.BuildPlayer twice with different BuildTarget and matching output paths (.exe for Windows, .apk for Android) -> Option B

4. Quick Check:

   Separate calls per platform with correct output = correct build [OK]

Hint: Build each platform separately with correct target and output file [OK]

Common Mistakes:

• Trying to build multiple platforms in one call
• Using wrong output file extensions
• Changing Player Settings manually instead of scripting