The Demon Stones (Swords & Wizardry)

If you like the genres Fantasy (High Fantasy) , this game is for you.

If you like the mechanics Progression Tree (Skills, professions, magic abilities, etc.), Skill Based (buy or gain skills), Class Based (Pilot, Wizard, Scientist, etc), Dice (Primarily d20), Attribute/Stat Based (STR, CON, PER, etc), Dice (Various), Race Based (Player Race/Species affects gameplay), Level Based (Earn XP and level up) , you will enjoy this game.

This game falls under the category: Sourcebook (rules/options to enhance play), Scenario / Adventure / Module.