def arcade_mode(resolution=(960, 640), blocksize=16, width=20, height=70):
    """Builds regular boring, but scalable, rectangular walls.

    If given values that are too much to fit at the resolution and blocksize,
    it just fits as many as it can with some amount of space for next blocks,
    the hold block, stats...

    Args::

        resolution: (x, y) tuple of total screen width and height
        blocksize: pixel height per block
        width: integer number of blocks wide for the map
        height: integer number of blocks high for the map

    Returns::

        a tuple of a list of (x, y) coords of all walls (includes invisible),
        and a list of (x, y) coords of all visible walls for sprites/images
    """
    blocks_wide = int(resolution[0] / blocksize)
    blocks_high = int(resolution[1] / blocksize)
    centre_block = int(blocks_wide / 2)
    spread = int(width / 2)
    walls = []
    wall_blocks = []
    for x_coord in range(centre_block - (spread + 1), centre_block + (width -
        spread) + 1):
        for y_coord in range(blocks_high):
            if x_coord == centre_block - (spread + 1
                ) or x_coord == centre_block + (width - spread
                ) or y_coord == blocks_high - 2:
                coord = x_coord * blocksize, y_coord * blocksize
                if blocks_high - height < y_coord < blocks_high - 1:
                    wall_blocks.append(coord)
                walls.append(coord)
    return walls, wall_blocks
