3700 years after the split of the Universe. Residents of the planet Blis are celebrating the beginning of a new century. They started the 38th century on the wave of technological progress. And at the same time they managed to preserve the main value of their planet - nature: clean air, transparent rivers, interminable forests ... A totally different picture is on the planet Tribula. Concentrating on industrial development, the residents have depleted all natural resources. The planet has become uninhabitable. Clan leaders are seeking salvation for their civilization which is a new habitat. Elders manage to find the planet Blis on the map of the Universe. Willing to seize natural and human resources, the invaders are sending a military expedition to it... Two months later, the Blis space intelligence is reporting: “An armada of alien ships is heading toward the planet! They have attacked barrage stations! ”The rulers of the Blis are coming to the planetary council! It has been decided to use a secret weapon - a generator of natural energy. The rulers are starting the trigger. A construction, which can generate bundles of enormous energy, is rising from the waters of the Great Ocean ... The inhabitants of the Blis are terrified - many spherical bodies are appearing in the sky... It's time to act! We must repel the attack until the enemy ships have come too close! Control your core to defeat enemies and reach the end. This is the only way to restore order and save the world.