: Indicates the region (PAL/EU), which is functionally distinct from the North American (NTSC-U) or Japanese (NTSC-J) versions in terms of regional version differences , such as track names (e.g., "Music Park" vs. "Melody Motorway").
Refers to the fourth internal revision or update (Version 64 in Wii U update hex values), which often includes all previous patches and bug fixes. Exclusive: mario kart 8 europe enfrdeesitnlptru rev 4 exclusive
The presence of "RU" (Russian) is the first clue that this is not a launch-day disc. Early European pressings of Mario Kart 8 did not include Russian. This string indicates a "pan-European" build designed to sit in warehouses and be shipped to France, Germany, Spain, Italy, the Netherlands, Portugal, and even Russia without repackaging. : Indicates the region (PAL/EU), which is functionally