Game plot: After waking up, the protagonist walked out of the house and found that the natural environment around the village where he lived had been severely damaged, and earth-shaking changes had taken place everywhere. The trees around the village withered, the land became barren, the river disappeared, and there was only shallow water left in the pond. Through communication with the villagers, he gradually understood the changes of the overall situation. Under the guidance of the villagers, he further explored the upper reaches of the river, finally, through a fog shrouding the forest, it was found that there was a construction site behind it. They cut off the water flow to the village, continuously produced industrial waste and domestic waste, and discarded them at will. They were the culprit of the environmental damage. The protagonist severely reprimanded this behavior through dialogue with the foreman. The other party also agreed to stop work for rectification after realizing the seriousness of the problem. After a period of time, the protagonist returned to the construction site again. The various industrial phenomena that had seriously affected the environment no longer existed. Instead, they were replaced by a parent-child paradise, wind and hydropower installations, and a popular science museum to protect the natural environment. Through the woods, standing on the top of the mountain and looking at his home, he saw the peaceful scene of trees again flourishing, green grass covering the land, and rivers passing through the village. The protagonist successfully protects his home. The game uses Unreal Engine version 4.26 as the development engine. According to the game plot edited in the previous period, the terrain and model components in UE4 are used to build and design the game scene to complete the beautiful scene that conforms to the game plot. Create in-game UI elements with Photoshop software, combined with UE4 Blueprint for dialogue. Through 3dsMax software to optimize the character model, combined with the blueprint to achieve the protagonist and NPC related functions. Through the Premiere of popular science video content editing, combined with the blueprint to achieve video popular science content interaction. Through the animation component and blueprint function in UE4, more real game effects such as user running sound and animals in drinking water can be realized. By exploring in the game, playing popular science games and browsing popular science knowledge, users integrate the knowledge of ecological environment protection into the game, so as to enhance the fun and popularization of the game. It is hoped that the virtual means of games can positively affect people's real life and really have a positive impact on the protection of the natural environment.