If you built it, they will succumb

Create the most wicked, loathsome underworld imaginable.  Dig out your underground kingdom.  Populate your dungeon with a variety of beasts such as the Skeletons, Dark Elves, Trolls and evil Warlocks.  Prepare them for battle with training rooms, workshops and magical libraries.  With the help of the dreaded reaper, conquer your enemies and expand your empire in your quest to defeat the King and invade the land heroic good.

• Build the Dungeons of Your Darkest Dreams
  First, construct a nightmarish floor plan.  then direct your Imps to dig out the tunnels, rooms, and chambers for your new home.  Slap them around if they are not working fast enough.
  
  
• Infest Your Dungeon with Vile Beasts
  Discover a portal so evil creatures can find their way into your domain.  Mine gold to pay their wages, build places for them to rest in and a hatchery where they can feed.
  
  
• Put Your Minions To Work For You
  Construct training rooms to improve the fighting skills of your dungeon dwellers, a library where they can research and learn devious new magic spells, and a workshop to create new traps to thwart encroaching do-gooders.
  
  
• Battle the Forces of Good
  Fulfill your strategic role as the evil overlord, leading your wicked hoards in combat against those righteous heroes.  Cast devastating spells to crush your enemies and support your minions.  Or join the action at dungeon level by possessing your creatures and battling from a first person perspective using special spells and abilities.
  
  
• Entertain the Creatures of Your Dungeon
  Keep your minions happy by creating casinos where they can drink and gamble.  Or build a pit arena where they can gain combat experience or sit back and enjoy the fights from a ringside seat.  Torture Chambers are popular attractions for those who like it rough.

• Windows 98, XP, Vista
• Pentium 166 MHz processor
• 32 MB of RAM
• 300 MB Hard Disk space
• 2 MB 3D DirectX 6.1 compatible (minimum) Graphics Card
• DirectX 6.1 compatible Sound Card
• 4X CD-ROM drive