In Terrain Explorer, there are a lot of terrain and space designs, you need to think patiently and observe the changes in the terrain, after successfully passing, you will encounter two boss-level battles. Don't worry, take out the weapon in your hand, move flexibly, I believe you will be able to defeat it, and the result will pass this trial. Back on the Light Boat spacecraft, you can view your Medal of Achievement. By the way, the Light Boat spacecraft also has a piloting system, don't forget to find it.