Solve the first puzzle and enter the caves.
Complete the Three Wise Monkeys Puzzle.
Complete the first Sphere of Light puzzle.
Awarded after the reunion.
Complete the crystal caves.
Complete the Falling Tree puzzle.
Complete the Staircase Entrance Puzzle.
Complete the hospital.
Complete the last puzzle leading to the end.
Find the plate of gnocchi on Thursdays.
Find a memento.
Find six mementos in the crystal caves.
Find all of the mementos in the crystal caves.
Find six mementos in the forest.
Find all of the mementos in the forest.
Find six mementos in the hospital.
Find all of the mementos in the hospital.
Find six mementos in the desert.
Find all of the mementos in the desert.
Find all the mementos in the game.
Solve all the puzzles within the game.
Successfully solve all SOLARIS puzzles in the game.
Complete the forest.
Complete the NERO experience.