Dungeons & Dragons (3.5 Edition)
Blackmoor Dragonlance Eberron Forgotten Realms Greyhawk Kingdoms of Kalamar Ravenloft Underdark Warcraft
Fantasy (Sword & Sorcery) Fantasy (High Fantasy) Fantasy Steampunk Fantasy (Science Fantasy) Action / Adventure (Pulp) War Horror Multiverse Horror (Supernatural)
Attribute/Stat Based (STR, CON, PER, etc) Class Based (Pilot, Wizard, Scientist, etc) Dice (Primarily d20) Dice (Various) Grid-based (uses square terrain for move/combat) Level Based (Earn XP and level up) Race Based (Player Race/Species affects gameplay) Random Attribute Generation (during Character Creation) Skill Based (buy or gain skills)
This edition incorporated fan feedback on perceived problems with the 3rd Edition. Several classes were changed to make them better balanced with the other classes and some spells were reduced in power to help balance them against existing spells as well.