OpenDungeons!

Build a secret base, gain notoriety by completing daring missions, repel the forces of justice in real-time combat, and develop evil super-weapons to complete your nefarious master plan. As a malevolent mastermind bent on achieving global domination, through the construction of the ultimate doomsday device, Evil Genius gives you all the dastardly with none of the muttley. A tongue-in-cheek take on the spy thrillers of the '60s, offering you the unique opportunity to play the villain as you control a secret island fortress complete with powerful henchmen, loyal minions, ice-cold beauty queens, and a host of hilarious gizmos. »

Discover your evil side as you build your own underground kingdom. Carve out a living, breathing world and attract a host of devilish creatures to swell the ranks of your dark hoards. Form an alliance with the Horned Reaper and expand your empire in your quest to reach the daylight and invade the realms above.

As a newcomer to Opulencia, you will hack n slash your way through hundreds of castles designed by the ingenious minds of your fellow players! Don’t forget to show them who’s boss by constructing deadly keep of your very own – in this kingdom, size really does matter!

Tired of invading dungeons? It's time you build your own! War for the Overworld is a Dungeon Management Game that employs your favourite aspects of the RTS and God Game genres. Carve out your Dungeon and conquer the Overworld!

Blockade Runner is the beginning of a Multiplayer First Person Adventure Space Sim that will feature fully destructible, operational, crewable 'living' starships in a procedurally generated galaxy.

Masterspace is a game about mining, creating and exploring, featuring fully destructible smooth terrain and spaceships that allow you to travel between different planets.

Dungeons 2 offers unique gameplay – while in the underworld it’s a classic Dungeon Manager simulation, in the outside world, you’ll have tactical real-time strategy.

The Castle Doctrine is a massively-multiplayer game of burglary and home defense. It's 1991, and things are bad. You're a guy with a house and family. Other players are coming to take what's yours. Build security to stop them. Study their houses, buy tools, and break in to take what's theirs. Everything you do is permanent.

Plumb the depths of the Earth in the spooktacular Browser Game: Under Master. There, you’ll build your own dungeon and expand it using the hideous creatures of the deep.