Backyard Rocket

From backyard bottle rockets to nuclear thermal giants. Build. Launch. Repeat.

🚀 From a fizzy bottle in your backyard… to a nuclear-thermal giant aimed at the stars.Rocket Universe is an idle rocket-building sim where every launch is a test, every failure is data, and every new altitude unlocks the next chapter of your rocketry story.Start small — a simple air-pressure bottle rocket, a stopwatch, and a dream. Then upgrade your workshop, research better fuels, and climb the altitude charts one…