The Island of Dr. Brain/Volcano

Volcano Computer Puzzle
This puzzle is a math game where a 3x3 or 4x4 is provided with empty spaces, and each row and column must be filled with numbers so that each row, column, and diagonal adds up to the sums that are specified on the bottom and right of the grid.

Spectral Analysis Puzzle
For the spectral analysis puzzle, you must sample and burn elements to determine their unique spectral signature. Then, you must combine several elements to create a composite element signature that matches the given solution. For different difficulty settings, you must combine 2, 5, or 6 elements.