Packet Play Client Respawn

Version	ID
1.8.X	0x07
1.9	0x33
1.12	0x34
1.12.1	0x35
1.13.1	0x38
1.14.4	0x3A
1.15.2	0x3B
1.16	0x3B 0x3A
1.16.2	0x3B 0x39

1.16.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
~~0x3B~~ 0x39	Play	Client	Dimension	~~Int Enum~~ NBT Tag Compound	~~-1: The Nether, 0: The Overworld, 1: The End~~ Valid dimensions are defined per dimension registry sent in Join Game
			World Name	Identifier	Name of the world being spawned into
			Hashed seed	Long	First 8 bytes of the SHA-256 hash of the world's seed.
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Previous Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included. The previous gamemode. (More information needed)
			Level Type	String (16)	Same as Join Game
			Is Debug	Boolean	True if the world is a debug mode world; debug mode worlds cannot be modified and have predefined blocks
			Is Flat	Boolean	True if the world is a superflat world; flat worlds have different void fog and a horizon at y=0 instead of y=63
			Copy metadata	Boolean	If false, metadata is reset on the respawned player entity. Set to true for dimension changes (including the dimension change triggered by sending client status perform respawn to exit the end poem/credits), and false for normal respawns.

1.16

Packet ID	State	Bound To	Field Name	Field Type	Notes
~~0x3B~~ 0x3A	Play	Client	Dimension	~~Int Enum~~ Identifier	~~-1: The Nether, 0: The Overworld, 1: The End~~ Valid dimensions are defined per dimension registry sent in Join Game
			World Name	Identifier	Name of the world being spawned into
			Hashed seed	Long	First 8 bytes of the SHA-256 hash of the world's seed.
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Previous Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included. The previous gamemode. (More information needed)
			Level Type	String (16)	Same as Join Game
			Is Debug	Boolean	True if the world is a debug mode world; debug mode worlds cannot be modified and have predefined blocks
			Is Flat	Boolean	True if the world is a superflat world; flat worlds have different void fog and a horizon at y=0 instead of y=63
			Copy metadata	Boolean	If false, metadata is reset on the respawned player entity. Set to true for dimension changes (including the dimension change triggered by sending client status perform respawn to exit the end poem/credits), and false for normal respawns.

1.15.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x3B	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Hashed seed	Long	First 8 bytes of the SHA-256 hash of the world's seed.
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.14.4

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x3A	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.13.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x38	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.13.1

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x38	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.12.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x35	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.12.1

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x35	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.12

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x34	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.11.X

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x33	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String (16)	Same as Join Game

1.11

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x33	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String	Same as Join Game

1.11

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x33	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String	Same as Join Game

1.10

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x33	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String	Same as Join Game

1.9.3

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x33	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String	Same as Join Game

1.9.2

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x33	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure, 3: spectator. The hardcore flag is not included
			Level Type	String	Same as Join Game

1.9

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x33	Play	Client	Dimension	Int Enum	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure. The hardcore flag is not included
			Level Type	String	Same as Join Game

1.8.X

Packet ID	State	Bound To	Field Name	Field Type	Notes
0x07	Play	Client	Dimension	Int	-1: The Nether, 0: The Overworld, 1: The End
			Difficulty	Unsigned Byte	0: Peaceful, 1: Easy, 2: Normal, 3: Hard
			Gamemode	Unsigned Byte	0: survival, 1: creative, 2: adventure. The hardcore flag is not included
			Level Type	String	Same as Join Game