The summary is:
The speaker narrates how they create a world from scratch with different biomes, animals and civilizations. They use a game-like interface to manipulate the environment and the inhabitants. They experiment with different scenarios, such as wars, disasters, zombies and gelatin. They witness the rise and fall of various kingdoms and cultures. They end up with a small island with four crabs, similar to how they started. They invite the audience to subscribe and watch more videos.
Here are some key facts extracted from the text:
1. The text is a transcript of a video where the speaker plays a game called Worldbox, where he can create and destroy worlds with different tools and creatures.
2. The speaker starts with a blank world covered by water and creates a small island with different biomes, such as grassland, desert, jungle and snow.
3. The speaker populates the island with different races, such as humans, elves, dwarves and orcs, and gives them names, resources and animals.
4. The speaker observes how the races interact, build, fight and expand their territories. He also intervenes by declaring wars, causing disasters or helping some races.
5. The speaker experiments with different weapons and bombs, such as fire, tornadoes, meteorites, zombies and gray gelatin, and destroys most of the island and its inhabitants.
6. The speaker ends the video with only four crabs left on a small island, and says that this is the story of a planet that no one will remember.