The patch meticulously replaces modern leagues and teams with classic squads. While the "Liga Clasica" name suggests a focus on the Spanish league, v6 typically expands to include other European powerhouses and national teams from the 90s. Expect to see the dominant AC Milan of the early 90s, the dream Team FC Barcelona, Manchester United’s Class of 92 era, and the legendary Juventus squads.

"Get ready to experience the thrill of Spanish football with Winning Eleven 10's Liga Clasica 90 V6 Normal D. This classic game mode brings back the excitement of the early 90s, with legendary teams and players from La Liga, one of the most competitive and passionate leagues in the world."

Players often use this patch to simulate "what-if" matches between historic titans. Common matchups found in this version include:

The community-made patch is the ultimate retro mod for PlayStation 2 (PS2) and emulator enthusiasts looking to relive the golden era of 1990s football. Built on Konami’s legendary World Soccer: Winning Eleven 10 gameplay engine, this custom release completely overhauls the base game. It replaces modern rosters with historic 1990s club teams, legendary national squads, custom kits, and classic commentary packs.

: Typically indicates the standard gameplay speed and mechanics (as opposed to "Turbo" or "Hard" speed mods).