Compendium VMAX
The Compendium VMAX is the current version of the Pokémon Trading Card Game Rulings Compendium.
Compendium BW
The Compendium BW is the archived older version of the Pokémon Rulings Compendium from 2011-2020, not for current use, but retained for research. A mobile version of Compendium BW is also available – this contains the same rulings as the regular Compendium BW page, but in a format easier for mobile browsing.
Compendium LvX
The Compendium LvX is the archived older version of the Pokémon Rulings Compendium from 2007-2011, not for current use, but retained for research.
Compendium EX
The Compendium EX is the archived older version of the rulings from PUI during the years 2003-2007, not for current use, but retained for research.
Compendium
The original Compendium is the archived older version of the rulings from WotC during the years 1999-2003. Again, these are not for current use, but are retained for research.