Build settings configuration in Unity - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of the Build Settings window in Unity?

The Build Settings window lets you choose which scenes to include in your game build and select the target platform (like PC, Android, or iOS) where your game will run.

beginner

How do you add a scene to the build in Unity?

Open the Build Settings window, then drag your scene from the Project window into the Scenes In Build list or click 'Add Open Scenes' to include the currently open scene.

beginner

What does the 'Platform' selection in Build Settings control?

It controls which device or operating system your game will be built for, such as Windows, Mac, Android, or iOS. You must switch to the correct platform before building.

intermediate

Why is it important to set the correct 'Target Architecture' in Build Settings?

Because it ensures your game runs efficiently on the device's processor type, like ARM or x86. Choosing the wrong architecture can cause your game to not run or perform poorly.

intermediate

What is the role of 'Player Settings' accessed from the Build Settings window?

Player Settings lets you configure game details like resolution, icon, company name, and other options that affect how your game behaves and looks on the target platform.

In Unity's Build Settings, how do you include a scene in your build?

A Rename the scene file

B Save the scene as a prefab

C Drag the scene into the Assets folder

D Add the scene to the Scenes In Build list

Scenes must be added to the Scenes In Build list to be included in the final game build.

What happens if you build your game for the wrong platform in Unity?

A The game may not run or install correctly on the target device

B The game will automatically adjust to the correct platform

C The build process will fail immediately

D The game will run faster

Building for the wrong platform can cause compatibility issues, preventing the game from running properly.

Which setting controls the processor type your Unity game targets?

A Target Architecture

B Graphics API

C Quality Settings

D Build Path

Target Architecture specifies the CPU type like ARM or x86 for which the game is built.

Where do you find options to change your game's icon and company name in Unity?

A Scene Settings

B Project Settings

C Player Settings

D Build Path

Player Settings contains options for game identity and appearance on the target platform.

What is the first step to build your game for a new platform in Unity?

A Create a new project

B Switch the platform in Build Settings

C Open Player Settings

D Add all scenes to the build

You must switch to the desired platform in Build Settings before building.

Explain the steps to prepare your Unity project for building on a new platform.

Think about what you do before pressing the Build button.

Describe why setting the correct Target Architecture is important in Unity build settings.

Consider what happens if the game runs on a different CPU type.

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