While I haven't had a chance to run it, I've read the core adventure and it has months of gaming potential within.
Disclosure: Although I worked on Swords & Wizardry Light for Frog God Games, it was a labor of love for the community. I do not receive a salary or any other sort of compensation from Frog God Games. I just happen to like their shit :)
The Minotaur for Old-School Essentials
*Requirements:* Minimum STR 9, Minimum CON 9
*Prime Requisite:* STR and CON
*Hit Dice:* 1d10
*Maximum Level:* 8
*Armor:* Leather, including shield...