All objects are stored in a list containing a number, name, position information including coordinates, deltaX and deltaY values, which direction the sprite faces, how fast it moves, dimension information like its width, height, width when rotated, height when rotated, the cell width and cell height, its current health, how much damage it inflicts on the player,whether it can swim, whether it can fly, whether it darkens the tiles around it, and finally the image file.