Universe Surfing

In 2119, humans successfully developed a super-light-speed aircraft that could gain energy by entering the gravitational orbit of different planets, and launched the "Universe Surfing" project to explore the space that was previously unreachable. Outer space is beautiful and mysterious, and it is full of crises everywhere. The aircraft needs to be responsive, quickly reach another planet before the fuel runs out or crashes on the planet, and sometimes has to be careful to avoid obstacles. Skills...