The story takes place a short time after the end of Dungeon 2.After conquering the lands above,the Dungeon Lord becomes bored and attempts to invade a new continent.The over-sea invasion fails due to incompetence.The dark elf priestess Thalya,now chief lieutenant,must lead the front line.

In the Dungeons 3,the player will alternate between attempting to trap heroes in their dungeon,and warring against the overworld above.In the dungeon,the player is tasked with building a maze of rooms filled with traps and enemies in order to lure and kill adventures.Above ground,the player uses their armies of various evil creatures to attempt to take over.

Unleash your dark side by creating a unique underground dungeon from a huge array of rooms,traps and structures.Raise the most terrifying army the world has ever seen.Then,once you have built your forces,emerge from the darkness and guide your army to the light of the overworld.

Features:
The dungeon manager you’ve been waiting for - Dungeons 3 is the biggest,best,and evil-est dungeon sim yet,topped off with a fully reworked overworld RTS mode.
Under new management - Command the united forces of evil under the guidance of new character Thalya and lead them to victory.
Size does matter - Extensive single player campaign with 20 missions and more than 20 hours of playtime,randomly generated levels,a brand new co-op mode for two players,more rooms,and more unique abilities.
Speak (no) evil - The fan-favourite Dungeons narrator is back with his unmistakable voice,continuing the Dungeons legacy in the best way possible.

At last, the Dungeon Lord has successfully united the forces of evil and established his dark empire. Time for the next step in his most diabolical quest: expansion!