Cool idea!
Tauren : Tauren Totem
Nightelves: Tree of Life (world tree looks weird when its small)
Humans: Castle
Orcs: Fortress
Trolls: Troll Shack (its a doodad)
Gnome: That weird shack that the goblin in the suit makes
Dwarf: Human Workshop
Undead: Necropolis
Those are my ideas i have soem more features
-Each player gets a hero, with spells, greys is the strongest and they all level up to 60
-Multiboard showing: Level of hero, Round, Race, Gold
-A bank to store money
-Boss every 10 rounds
-40 rounds
-Bosses could be, weakest to strongest: Gaar, Azurgos, Ragnaros, Arthas
-The ammount of leaks you have per round effects your income, if you leak 3 rounds, and don't 4 then it wont effect you
-Gold is replaced with silver (s)
Race Specialities:
Tauren: Slow, Good Damage, Splash, very short range
Troll: Fast, Weak, short range
Orcs: Middle, deal Splash, midrange
Humans: Faster, than orcs, doing same damage but no splash, midrange
Dwarf: Bash, Short ranged attack (besides rifleman)
Nightelf: Fast, Weak, Critical Strike, Long Range
Undead: Weak, Medium speed, Poison Slow, Bash, Very Long Range
Gnome: Slow, Weak, Auras and Abilities, Medium Range
Tower Costs:
1st Tower: 10-20s
2nd Tower: 30-50s
3rd Tower: 60-80s
4rth Tower: 100-120s
5th Tower: 150-180s
6th Tower: 200-250s
7th Tower: 350-400s
8h Tower: 800s
Final Tower: 5g (5000s)
Final Towers:
Gnome: (someone find the gnome king, hes in IF)
Orc: Thrall
Human: Jaina Proudmore Preferably than the Kid...
Undead: Sylvanus
Nightelf: Tyrande
Dwarf: Ugg forget Dwarf King... Magni Bronsebeard i think
Troll: Vul'Jin
Tauren: Cairne
Workers:
Gnome: Small Gnome Robot
Orc: Peon
Human: Peasant
Undead: Zombie
Nightelf: Wisp
Dwarf: Little Mountain King
Troll: Small troll axethrower
Tauren: Quilbor thingy
Heros:
Orc: Blademaster, Grunt Commander, Far Seer
Gnome: Gnomish Robot Leader, Gnome Renegade, Gnomarine
Troll: Axethrower, Troll High Preist, Troll Shaman
Human: Paladin, Archmage, Human Berserker
Dwarf: Mountain King, Dwarf Axemaster, Dwarven Tankman
Undead: Dreadlord, Lich, Skeletal Magi
Tauren: Tauren Smasher, Impaler, Tauren Druid
Nightelves: Archeresse, Druid, Priest
Other Features:
-New Landscape, Snowy, Dirt, Grass etc,
-New Pathways
-Bridges and other Doodads *not in the way*
-Fog
-Skippable Cinematic
-Unique Cameras
-Replays of Rounds (Red asks for vote)
-Hero Duels
-3 Retrys (say you lose at level 5, you lose all your money, and go back 3 levels)
-Minigames
Those are my Ideas, i would be glad to help out