Debug

Debug may refer to:

Debug Stick, item used to change various block states.
Debug mode, world type used to test block states.
Debug screen, screen shown when F3 is pressed.
Commands/debug, command used to start and stop debug sessions.
debug.png and debug2.png, debugging assets found in the game's texture files.
debug_fourj_item, item once used for unknown debugging purposes.

Various game versions created for debugging purposes:

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