Isometric Projection, see:
  * [[wp>Isometric_projection|Isometric Projection]]
  * [[wp>Isometric_graphics_in_video_games_and_pixel_art|Isometric Projection In Video Games And Pixel Art]]
  * [[http://www.dennisbusch.de/knowhow.php?001_x=1|Isometric Pixel Art Cheat Sheet by 0xDB]]