Pharaos Treasure, a mind teasing blocks puzzler

You are an Egyptian explorer and you are looking for the Pharaoh's lost treasure. You believe it is in a secret room in one of the pyramids. But Pharaoh has blocked the passage to the riches with a clever advanced coding method far ahead of it's time.
You have to match the puzzle tile symbols to accumulate a score of 1,000,000 in order to open the secret passage door and get your greedy little hands on Pharaoh's treasure.
Click 4 tiles of the same color and form squares as big as you can. You will erase all the tiles inside the square and collect points. You have to achieve a minimum amount of points in order to advance to the next level.
You have 90 seconds per puzzle, good luck!