A press release on Computer Games Online (thanks War3.com) has the official confirmation (story) of plans for The Frozen Throne, an expansion for WarCraft III, their hit fantasy RTS game. Planned for a release this summer at an MSRP of $35.00, the add-on will offer the following features:

• One new Hero per race, each possessing powerful spells and magical abilities specifically designed to enhance each race
• A host of new units, each equipped with new abilities and spells, giving players the opportunity to create diverse strategic and tactical forms of combat
• 3 new tilesets featuring extraordinary new lands to explore, complete with numerous creeps and critters to wage war upon
• Player-built shops, unique for each race, equipped with items carefully designed to improve and aid the units of every race
• Neutral buildings, which will provide players with numerous new upgrades, items and abilities
• Neutral Heroes, available for recruitment by all players, that can supplement and strengthen a player's army with all new spells and abilities
• An advanced world editor that allows players to create their own custom campaigns, complete with cut-scenes and voiceovers
• Many new multiplayer maps
• Expanded multiplayer options over Battle.net® including multiple new game types, clan and tournament support