Expedition to the Ruins of Greyhawk

If you like the genres Fantasy (Sword & Sorcery) , this game is for you.

If you like the mechanics Skill Based (buy or gain skills), Attribute/Stat Based (STR, CON, PER, etc), Level Based (Earn XP and level up), Dice (Primarily d20), Dice (Various), Class Based (Pilot, Wizard, Scientist, etc), Random Attribute Generation (during Character Creation), Race Based (Player Race/Species affects gameplay), Grid-based (uses square terrain for move/combat) , you will enjoy this game.

This game falls under the category: Campaign Setting (game world), Scenario / Adventure / Module.