Continuing his journey the heroes of Fireboy and Watergirl unlocked the game in part four fall into the crystal castle. Here they are waiting for new challenges and obstacles, but the condition for its successful overcoming remains the same - teamwork with a friend-partner.
A distinctive feature of this part of the game from the previous is that the characters can teleport. In this case, you should pay attention to the colour of the portals: if you want your character to enter the black portal, he must go to the portal of the corresponding colour. Do not forget to collect diamonds, passing obstacles.