There are nine levels, and each is possible. There are also many little tricks involved in the levels. Use the arrow keys. Only one shade of red makes you restart the level if you touch it. In each level, fly to the black line. The witch can teleport very fast, so if she touches you, you also restart the level. You are the bat. After you finish the last and hardest level, the game will automatically restart. Remember, all levels are possible.
The same people who are Baba5 and Baba4 collaborated to make the game.