Space, Propulsion, Asteroids, Customisation, Modular, Build, Rocket, Spaceship, Fly, Civilisations, History, Rome, Chang’an, Moscow, Italy, China, Russia, Thrust, Time Travel, Relativity, Fuel, Explore, Score, Achievement, Mobile, Choice, Avoid, Escape, Skill, Learn, Pattern, Dodge, Upgrade, Death, Retry, Perseverance