Campaign Sourcebook (d20 3.5)

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

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

This game falls under the category: Alternate Rules (Variant Core Rules), Core Rules (min needed to play).