One example of this is in the game Castlevania: Rondo of Blood, which was written for the PC Engine CD-ROM which does not support multiple background layers.
Horizontal coordinate system | High-intensity interval training | Confidence interval | The Devil's Interval | Partition of an interval | interval graph | Horizontal scan rate | horizontal blank interrupt | horizontal bar | Horizontal and raking ''geisa'' of the Ionic/Corinthian order on the Arch of Hadrian | confidence interval | A halo phenomenon observed over the South Pole. Featured in the photo are several distinct phenomena: A '''parhelic circle''' (horizontal line), a 22° halo |