Free the disc from the Key, separate the 4 jigsaw pieces and disassemble the red Cross.
Each of these 3 puzzles have a unique solution!
The Key Maze is a 3D labyrinth.
The Square jigsaw will surprise you with its' angled sides.
For the Cross Puzzle you need to figure out the internal system (Tip: Twice)
Without foreknowledge, only the most intelligent minds will solve all 3.