The best RTS game imo, much thanks to the great user mode/map creator.
This itself could probably make the game a 8.5/9.0 but what's really make "Warcraft III: the frozen throne" so special is the "Map Editor". A easy to use, powerful tool to create your own gamemodes, heroes, maps, you name it! It made the possibilities next to endless. Racing mods, The legendary dota (Defenders of the Ancients) who itself created its own genre of gaming is just two of the thousands examples made in "Map Editor". It is one of the few games who gave the players the possibility to explore and create in the game's engine.
The best RTS, fun to play even today 11 years later, and will be for decades to come.