シンプルロケットシミュレーター

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Everyone
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Everyone
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About this game

🚀 Simple Rocket Simulator
Design your own rocket and take to space!
Experience a realistic physics simulation with simple controls that anyone can enjoy.
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🛠 Design Your Own Rocket
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Choose parts at the "Rocket Factory" and assemble your own rocket.
• Cockpit (Required)
• Fuel Tank (Small/Large)
• Engine (Powerful/Energy-Efficient)
• Stabilizer Wings
Each time you add a part, weight, thrust, fuel level, Δv (acceleration capability), and attitude stability are calculated in real time.
Takeoff is possible when the "TWR (Tower Weight)" exceeds 1.00! Design carefully to create the best rocket.
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🌍 Fly with a Realistic Physics Engine
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Operate the throttle to fire the engine! Break through the atmosphere and into space.

• Authentic physics simulation that reproduces gravity, atmospheric resistance, and inertia
• Freely control thrust with the throttle slider
• Adjust the aircraft's orientation with the left and right buttons
• Aerodynamic stability (aircraft stability/instability) changes in real time
• Atmospheric pressure (Q), G-force, and orbital elements are displayed in real time
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🌌 An Adventure Through the Solar System
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Reaching low Earth orbit isn't the only goal! With fuel and skill, traveling to the Moon, Mars, and Jupiter is not just a dream.

• Includes the Sun, Mercury, Venus, Earth, Moon, Mars, Jupiter, and Saturn
• Realistic gravity, atmosphere, and SOI (Solar Orbit) settings for each celestial body
• Natural movement between celestial bodies using the "Patched Conic" method
• Notifications are displayed when orbit is reached or when the solar system is left behind
The "View the Solar System" screen allows you to preview the movement of planets even before launch. Fast forward time (1x to 1000x) is also supported!

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🛠 Easy Mode for Beginners!
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Even if you're new to rocket simulations, it's okay. Turning on "Easy Mode" will...
- Halve the weight of parts, making it easier to build light and strong rockets.
- Reduce air resistance, making it easier to ascend.
- Makes controls more agile.
- Improved collision resistance during landing (safe landing speed doubles).
- Allows you to carry more tanks, engines, and wings.
First, get the hang of it in Easy Mode, then try Normal Mode!

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✅ Recommended for:
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- Interested in space and rockets.
- Middle school, high school, and college students who like physics and science.
- Like space games like Kerbal Space Program (KSP).
- Want to learn about the workings of space in a fun way through games.
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Design your own rocket and launch it into space! Includes an easy mode for beginners.
Updated on
Sep 10, 2026
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What’s new

製品版初回リリース
Content rating
Everyone
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App support

About the developer
剱持 雅則
yami2026dev@gmail.com
Japan