Play a Game and You Can Build a Mecha?

[The protagonist needs some time to develop, and he won't be able to use mechas right away, so please be patient. (This book is also called: S3? I will pick up a nuclear bomb first to add to the fun.) In another time and space, Bai Yu carries the super artificial intelligence Nuwa and travels across the Blue Star. He discovers that the historical trajectories of the two sides are different. The political power here has not yet been unified and they are still fighting for resources. So Bai Yu decided to provide them with technological help in an alternative way. … When Long Guo took out an aircraft that was far superior to the sixth-generation fighter, Yingjiang seemed unfazed on the surface, but secretly cursed the spy who sent the news back half to death. "You said that Dragon Kingdom was developed because of playing a game? Did a pig eat your brain?" When the Dragon Kingdom announced the success of controllable nuclear fusion research, the Yingjiang spies still sent back the same news. Now they could no longer sit still. After figuring out the game, they exclaimed: "Fortunately, I discovered it early. If it had been later, wouldn't you have been building mechas?" S3 was about to start, and Yingjiang's status was threatened, so he decided to use mushroom bombs to awaken the world's fear of them, and launched a mushroom bomb at the location of Baiyu Company.