<!--
{
  "documentType" : "article",
  "framework" : "GameKit",
  "identifier" : "/documentation/GameKit/gkachievement-deprecated-symbols",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "Deprecated Symbols"
}
-->

# Deprecated Symbols

Review unsupported symbols and their replacements.

## Topics

### Deprecated Initializers

[`init?(identifier: String?, forPlayer: String)`](/documentation/GameKit/GKAchievement/init(identifier:forPlayer:))

Initializes an achievement for a specific player.

### Deprecated Methods

[`func issueChallenge(toPlayers: [String]?, message: String?)`](/documentation/GameKit/GKAchievement/issueChallenge(toPlayers:message:))

Issues an achievement challenge to a list of players.

[`func report(completionHandler: (((any Error)?) -> Void)?)`](/documentation/GameKit/GKAchievement/report(completionHandler:))

Reports the player’s progress to Game Center.

[`func selectChallengeablePlayerIDs([String]?, withCompletionHandler: (([String]?, (any Error)?) -> Void)?)`](/documentation/GameKit/GKAchievement/selectChallengeablePlayerIDs(_:withCompletionHandler:))

Finds the subset of players who can earn an achievement.

### Deprecated Properties

[`var isHidden: Bool`](/documentation/GameKit/GKAchievement/isHidden)

A Boolean value that indicates whether the system hides this achievement from the player.

[`var playerID: String?`](/documentation/GameKit/GKAchievement/playerID)

A string that identifies the player who earned the achievement.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)