Two new games have appeared on Xbox LIVE’s Games on Demand service, namely the excellent first-person action adventure game, Bioshock, as well as the military strategy/nation building game, Sid Meier’s Civilization Revolution.

What experiences await us?

Sid Meier’s Civilization Revolution

“Legendary game designer Sid Meier brings the greatest strategy game of all time to the Xbox 360 console!

“Built from the ground up for the Xbox 360 console, Sid Meier’s Civilization Revolution challenges you to lead your chosen nation from the dawn of man to the space age on your quest to rule the world. Go head to head with history’s greatest leaders as you wage war, conduct diplomacy, discover new technologies and build the most powerful empire the world has ever known.

“The famously addictive gameplay, endless ways to play and Xbox LIVE multiplayer competitions, matchmaking, Leaderboards, Achievements and downloadable content will keep you coming back for more.”

You can check for pricing in your region for Civilization Revolution on the Xbox LIVE Games on Demand service over here.

Bioshock

“BioShock is the first-person shooter where everything is a weapon. Set in a failed underwater utopia, BioShock gives complete freedom to turn the environment, the enemies, even water and fire into powerful tools against your foes.”

You can check for pricing in your region for Bioshock on the Xbox LIVE Games on Demand service over here.

Also, if you’re a gamer in Japan, there are a bunch more titles for you to think about buying, which you can have a look at over here.