Why persistence stores player progress in Unity - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to save the player's score using PlayerPrefs.

Unity

PlayerPrefs.SetInt("PlayerScore", [1]);

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

Ascore

Bpoints

CscoreValue

DplayerScore

Attempts:

3 left

💡 Hint

Common Mistakes

Using a variable name that is not defined.

Forgetting to use quotes around the key name.

We use playerScore as the variable holding the player's current score to save it.

2fill in blank

medium

Complete the code to load the player's score from PlayerPrefs.

Unity

int loadedScore = PlayerPrefs.[1]("PlayerScore", 0);

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AGetInt

BSave

CSetInt

DGetString

Attempts:

3 left

💡 Hint

Common Mistakes

Using GetString instead of GetInt.

Using SetInt which saves data instead of loading.

We use GetInt to retrieve an integer value saved with PlayerPrefs.

3fill in blank

hard

Fix the error in the code to save the player's level progress.

Unity

PlayerPrefs.SetInt("PlayerLevel", [1]); PlayerPrefs.[2]();

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ASave

BLoad

CplayerLevel

DGetInt

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same option for both blanks.

Not calling Save() after setting values.

The first blank should be the variable playerLevel to save the level number. The second blank should be Save to write changes.

4fill in blank

hard

Fill both blanks to check if a saved score exists and then load it.

Unity

if (PlayerPrefs.[1]("PlayerScore")) { int score = PlayerPrefs.[2]("PlayerScore"); }

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

AHasKey

BGetInt

CSetInt

DDeleteKey

Attempts:

3 left

💡 Hint

Common Mistakes

Using SetInt instead of GetInt.

Not checking if the key exists before loading.

Use HasKey to check if the key exists, then GetInt to load the score.

5fill in blank

hard

Fill all three blanks to save player's name, score, and then save changes.

Unity

PlayerPrefs.[1]("PlayerName", playerName); PlayerPrefs.[2]("PlayerScore", playerScore); PlayerPrefs.[3]();

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

ASetString

BSetInt

CSave

DGetString

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up SetString and SetInt.

Forgetting to call Save().

Use SetString for the name, SetInt for the score, and Save to write changes.