While toying around, I found an alternate way to go through 《冰雪奇缘》 alters without needing any interaction with the Lasers, Penguins (Except for the very last one before the portal), 或者 Giant Snowmen.
Some developers decided to make a game about a dragon because 龙 are awesome, in a panoramic environment, full of secrets for hardcore gamers, topped with great 音乐 and voice overs.