According to the plot of The Crystal Key, it is necessary to save the Earth from the influence of evil aliens who have sent a lot of trouble to humanity. The game is made in the style of a quest. So, a mysterious spaceship appears in the orbit of our planet, which sends out its own satellites. The graphics in the game are average. The declared 3D effects are clearly weak even at the time of release. However, the animation is well drawn. The controls also leave much to be desired. Most users note this fact. The Crystal Key puzzles are the use of previously encountered images and artifacts. The task is complicated by the fact that enemies will constantly try to interfere with the heroes. Therefore, you will have to overcome many obstacles and complete specific tasks.Satellites create big trouble for earthlings:
- Emission of previously unknown gravitational waves.
- Causing destructive climate change.
- Tectonic shifts.
However, shortly before the events described, a mysterious message was intercepted and deciphered on Earth. It indicates that the villain Ozgar is trying to destroy humanity. To prevent this, a starship is launched from the North Pole, in the cabin of which is the main character. The goal of the journey is a distant, unexplored planet that is completely suitable for life. Hidden in its depths is a mysterious artifact that must not fall into the hands of Ozgar under any circumstances. The mission objective is to find this key, which consists of several crystals. Each of them is hidden in a separate colony, and allows movement between them. By collecting all the components together, it will be possible to save the Earth from evil aliens.