World of Warcraft: The Burning Crusade is an expansion to the popular MMORPG game, World of Warcraft. This expansion introduces two new player races, the Blood Elves and Draenei, increases the level cap from 60 to 70 and allows players access to previously inaccessible dungeons and battlegrounds. Players can also explore Outland beyond the Dark Portal, where they will find powerful spell upgrades for their characters as well as unique flying mounts that allow them to traverse hazardous terrain. Finally, this expansion brings back demons from earlier games in order to renew their "Burning Crusade", giving players a thrilling adventure with many rewards along the way.

World of Warcraft: Cataclysm is the third expansion for Blizzard Entertainment's popular MMORPG game, World of Warcraft. In this expansion, players witness the face of Azeroth being altered forever as the corrupted Dragon Aspect Deathwing awakens from his slumber and leaves ruin and destruction in his wake. New features include two new playable races (the cursed worgen with Alliance or resourceful goblins with Horde), increased level cap to 85, classic zones remade with new quests and content, flying mounts in Azeroth, guild advancement system to earn levels and achievements, high-level content such as Uldum and Grim Batol, a PvP zone on Tol Barad Island along with rated Battlegrounds mode, Archaeology profession to unearth artifacts and rewards; plus new race/class combinations like gnome priest or blood elf warrior.