This is the game-changer. The official competitive maps (6.69c, 6.72f, etc.) had no AI. If you played alone, the enemy team just stood still. inject scripted intelligence. The 690 AI specifically features:
Many newer 6.90+ maps require Warcraft III version 1.26a or higher (some specifically require v1.35+ for modern features) . map+dota+690+ai
Unlike the "official" AI maps of the past released by , which stopped around version 6.78c, the 6.90 AI maps are unofficial community ports. This is the game-changer