Unity Script Reference:

AccelerationEvent
ADBannerView
ADInterstitialAd
AndroidInput
AndroidJavaObject
- AndroidJavaClass
AndroidJavaProxy
AndroidJavaRunnable
AndroidJNI
AndroidJNIHelper
AnimationClip
AnimationClipPair
AnimationCurve
AnimationEvent
AnimationInfo
AnimationState
AnimatorStateInfo
AnimatorTransitionInfo
Application
AssetBundle
AudioClip
AudioSettings
Avatar
AvatarBuilder
BitStream
BoneWeight
Bounds
Caching
CharacterInfo
ClothSkinningCoefficient
Collision
Collision2D
Color
Color32
CombineInstance
Compass
Component
- Behaviour
- Cloth
  - InteractiveCloth
  - SkinnedCloth
- Collider
- Joint
- LightProbeGroup
- LODGroup
- MeshFilter
- OcclusionArea
- OcclusionPortal
- OffMeshLink
- ParticleAnimator
- ParticleEmitter
- ParticleSystem
- Renderer
- Rigidbody
- Rigidbody2D
- TextMesh
- Transform
- Tree
ComputeBuffer
ComputeShader
ContactPoint
ContactPoint2D
ControllerColliderHit
CrashReport
Cursor
Debug
DetailPrototype
Display
Event
Flare
Flash.ActionScript
Flash.FlashPlayer
Font
GameObject
GeometryUtility
Gizmos
GL
Gradient
GradientAlphaKey
GradientColorKey
Graphics
GUI
GUIContent
GUILayout
GUILayoutOption
GUILayoutUtility
GUISettings
GUIStyle
GUIStyleState
GUIUtility
Gyroscope
Handheld
HostData
HumanBone
HumanDescription
HumanLimit
HumanTrait
Input
iPhone
JointAngleLimits2D
JointDrive
JointLimits
JointMotor
JointMotor2D
JointSpring
JointTranslationLimits2D
Keyframe
LayerMask
LightmapData
LightmapSettings
LightProbes
LocalNotification
LocationInfo
LocationService
LOD
MasterServer
MatchTargetWeightMask
Material
- ProceduralMaterial
MaterialPropertyBlock
Mathf
Matrix4x4
Mesh
Microphone
MovieTexture
NavMesh
NavMeshHit
NavMeshPath
NavMeshTriangulation
Network
NetworkMessageInfo
NetworkPlayer
NetworkViewID
NotificationServices
Object
OffMeshLinkData
Particle
ParticleSystem.CollisionEvent
ParticleSystem.Particle
PhysicMaterial
Physics
Physics2D
PhysicsMaterial2D
Ping
Plane
PlayerPrefs
PlayerPrefsException
PlayerSettings.Android
PlayerSettings.BlackBerry
PlayerSettings.iOS
PlayerSettings.Wii
ProceduralPropertyDescription
Profiler
QualitySettings
Quaternion
Random
Ray
Ray2D
RaycastHit
RaycastHit2D
Rect
RectOffset
RemoteNotification
RenderBuffer
RenderSettings
Resolution
Resources
RuntimeAnimatorController
- AnimatorOverrideController
Screen
ScriptableObject
- GUISkin
Security
Shader
SkeletonBone
SleepTimeout
Social
SocialPlatforms.GameCenter.GameCenterPlatform
SocialPlatforms.IAchievement
SocialPlatforms.IAchievementDescription
SocialPlatforms.ILeaderboard
SocialPlatforms.ILocalUser
SocialPlatforms.IScore
SocialPlatforms.ISocialPlatform
SocialPlatforms.IUserProfile
SocialPlatforms.Range
SoftJointLimit
SplatPrototype
Sprite
StaticBatchingUtility
SystemInfo
TerrainData
TextAsset
Texture
- Cubemap
- ProceduralTexture
- RenderTexture
- Texture2D
- Texture3D
- WebCamTexture
Time
Touch
TouchScreenKeyboard
TreeInstance
TreePrototype
Vector2
Vector3
Vector4
WebCamDevice
WheelFrictionCurve
WheelHit
Windows.Crypto
Windows.Directory
Windows.File
WindowsPhone.Media
WSA.Application
WSA.SecondaryTileData
WSA.Tile
WSA.Toast
WSA.WindowActivated
WSA.WindowSizeChanged
WWW
WWWForm
YieldInstruction
- AsyncOperation
  - AssetBundleCreateRequest
  - AssetBundleRequest
- Coroutine
- WaitForEndOfFrame
- WaitForFixedUpdate
- WaitForSeconds
ADBannerView.Layout
ADBannerView.Type
AndroidActivityIndicatorStyle
AnimationBlendMode
AnimationCullingType
AnimationUtility.CurveModifiedType
AnimatorCullingMode
AnisotropicFiltering
Asset.States
AudioReverbPreset
AudioRolloffMode
AudioSpeakerMode
AudioType
AudioVelocityUpdateMode
AvatarIKGoal
AvatarTarget
BlendWeights
CalendarIdentifier
CalendarUnit
CameraClearFlags
CollisionDetectionMode
CollisionDetectionMode2D
CollisionFlags
ColorSpace
ComputeBufferType
ConfigurableJointMotion
ConnectionTesterStatus
CubemapFace
CursorMode
DepthTextureMode
DetailRenderMode
DeviceOrientation
DeviceType
EventModifiers
EventType
FFTWindow
FilterMode
FocusType
FogMode
FontStyle
ForceMode
FullScreenMovieControlMode
FullScreenMovieScalingMode
HideFlags
HumanBodyBones
ImagePosition
IMECompositionMode
iOSActivityIndicatorStyle
iPhoneGeneration
JointDriveMode
JointProjectionMode
KeyCode
LightmapsMode
LightRenderMode
LightShadows
LightType
LocationServiceStatus
LogType
MasterServerEvent
MaterialProperty.PropFlags
MaterialProperty.PropType
MaterialProperty.TexDim
Media.MediaState
MeshTopology
Message.Severity
NavMeshPathStatus
NetworkConnectionError
NetworkDisconnection
NetworkLogLevel
NetworkPeerType
NetworkReachability
NetworkStateSynchronization
NPOTSupport
ObstacleAvoidanceType
OffMeshLinkType
Packer.Execution
ParticleRenderMode
ParticleSystemRenderMode
ParticleSystemSimulationSpace
PhysicMaterialCombine
PlayerSettings.MetroCompilationOverrides
PlayMode
PrimitiveType
ProceduralCacheSize
ProceduralLoadingBehavior
ProceduralOutputType
ProceduralProcessorUsage
ProceduralPropertyType
QueueMode
RemoteNotificationType
Rendering.BlendMode
Rendering.BlendOp
Rendering.ColorWriteMask
Rendering.CompareFunction
Rendering.CullMode
Rendering.StencilOp
RenderingPath
RenderTextureFormat
RenderTextureReadWrite
RigidbodyConstraints
RigidbodyInterpolation
RigidbodyInterpolation2D
RigidbodySleepMode2D
RotationDriveMode
RPCMode
RuntimePlatform
ScaleMode
ScreenOrientation
SearchableEditorWindow.SearchMode
SearchableEditorWindow.SearchModeHierarchyWindow
SearchFilter.SearchArea
SearchFilter.State
SendMessageOptions
ShaderUtil.ShaderPropertyTexDim
ShaderUtil.ShaderPropertyType
ShadowProjection
SkinQuality
SocialPlatforms.TimeScope
SocialPlatforms.UserScope
SocialPlatforms.UserState
Space
SpriteAlignment
SpriteMeshType
SpritePackingMode
SpritePackingRotation
SystemLanguage
TerrainRenderFlags
TextAlignment
TextAnchor
TextClipping
TextEditor.DblClickSnapping
TextureCompressionQuality
TextureFormat
TextureWrapMode
ThreadPriority
TouchPhase
TouchScreenKeyboardType
TransparencySortMode
TreeEditorHelper.NodeType
TreeGroup.BuildFlag
TreeGroup.DistributionMode
TreeGroup.LockFlag
TreeGroupBranch.GeometryMode
TreeGroupLeaf.GeometryMode
UserAuthorization
WrapMode
WSA.TileForegroundText
WSA.TileTemplate
WSA.ToastTemplate
WSA.WindowActivationState
AddComponentMenu
ContextMenu
ExecuteInEditMode
HideInInspector
ImageEffectOpaque
ImageEffectTransformsToLDR
NotConvertedAttribute
NotFlashValidatedAttribute
NotRenamedAttribute
PropertyAttribute
RequireComponent
RPC
SerializeField
AnimationClipCurveData
AnimationMode
AnimationUtility
ArrayUtility
AssetDatabase
AssetImporter
- AudioImporter
- ModelImporter
- MovieImporter
- SubstanceImporter
- TextureImporter
- TrueTypeFontImporter
AssetModificationProcessor
AssetPostprocessor
BuildPipeline
DragAndDrop
Editor
- MaterialEditor
EditorApplication
EditorGUI
EditorGUILayout
EditorGUIUtility
EditorPrefs
EditorStyles
EditorUtility
EditorWindow
- ScriptableWizard
FileUtil
GameObjectUtility
GenericMenu
Handles
HandleUtility
Help
Highlighter
LightmapEditorSettings
Lightmapping
LODUtility
MaterialProperty
MaterialPropertyDrawer
MenuCommand
MeshUtility
ModelImporterClipAnimation
MonoScript
NavMeshBuilder
ObjectNames
PlayerSettings
PrefabUtility
PropertyDrawer
PropertyModification
Selection
SerializedObject
SerializedProperty
ShaderUtil
SpriteMetaData
Sprites.AtlasSettings
Sprites.IPackerPolicy
StaticOcclusionCulling
StaticOcclusionCullingVisualization
SubstanceArchive
TextureImporterSettings
Tools
Undo
UndoPropertyModification
UnwrapParam
Unwrapping
VersionControl.Asset
VersionControl.AssetList
VersionControl.ChangeSet
VersionControl.ChangeSets
VersionControl.ConfigField
VersionControl.Plugin
VersionControl.Provider
VersionControl.Task
AndroidBuildSubtarget
AndroidPreferredInstallLocation
AndroidSdkVersions
AndroidShowActivityIndicatorOnLoading
AndroidSplashScreenScale
AndroidTargetDevice
ApiCompatibilityLevel
AspectRatio
AssetDeleteResult
AssetMoveResult
AudioImporterFormat
AudioImporterLoadType
BlackBerryBuildSubtarget
BlackBerryBuildType
BodyPart
BoneState
BuildAssetBundleOptions
BuildOptions
BuildTarget
BuildTargetGroup
ClipAnimationMaskType
DragAndDropVisualMode
DrawCameraMode
EditorBehaviorMode
EditorSkin
ExportPackageOptions
FlashBuildSubtarget
FontRenderingMode
FontTextureCase
GameViewSizeGroupType
GizmoType
HighlightSearchMode
IconDrawStyle
ImportAssetOptions
iOSSdkVersion
iOSShowActivityIndicatorOnLoading
iOSStatusBarStyle
iOSTargetDevice
iOSTargetOSVersion
iOSTargetResolution
LightmapBakeQuality
MacFullscreenMode
MessageType
MetroSDK
ModelImporterAnimationCompression
ModelImporterAnimationType
ModelImporterGenerateAnimations
ModelImporterMaterialName
ModelImporterMaterialSearch
ModelImporterMeshCompression
ModelImporterTangentSpaceMode
MouseCursor
PivotMode
PivotRotation
PrefabType
PS3BuildSubtarget
RemoveAssetOptions
ReplacePrefabOptions
ResolutionDialogSetting
SaveType
ScriptCallOptimizationLevel
SelectionMode
SerializedPropertyType
SpriteImportMode
SpritePackerMode
StaticEditorFlags
StrippingLevel
TargetGlesGraphics
TextureImporterFormat
TextureImporterGenerateCubemap
TextureImporterMipFilter
TextureImporterNormalFilter
TextureImporterNPOTScale
TextureImporterType
Tool
UIOrientation
VersionControl.CheckoutMode
VersionControl.CompletionAction
VersionControl.FileMode
VersionControl.MergeMethod
VersionControl.OnlineState
VersionControl.ResolveMethod
VersionControl.RevertMode
VersionControl.SubmitResult
ViewTool
WiiBuildDebugLevel
WiiBuildSubtarget
WiiHio2Usage
WiiRegion
XboxBuildSubtarget
XboxRunMethod
CallbackOrderAttribute
CanEditMultipleObjects
CustomEditor
CustomPropertyDrawer
DrawGizmo
InitializeOnLoadAttribute
MenuItem
PreferenceItem

PlayerPrefs.DeleteKey

static function DeleteKey(key: string): void;

Description

Removes key and its corresponding value from the preferences.