Alien Cave is a classic game on flash-game.net in which you will drive a flying saucer. Image you are driving in the outside outer space, all the scene in your eye is yellow. Though broad it is, your flying space is limited. The roof is anomalous and there are so many floating obstacles in the air, you must be care of them. To control the spaceship, you can hold the UP arrow key to go up, and release it to go down. The speed of the spaceship is very high, if you want to drive it well, you should do much training. The objective of this game is to see how long time you can stay in the air without hitting the roof, or an obstacle.