Tip: When determining a time limit, remember that players won't be as familiar with the level as you are. If you normally complete the level with the timer around 100, others might run out of time on their first try.
The background seem in the stage 3 of Super Valis IV, Babylon. In the original game, it uses parallax between the ruin part and the mountains. It can fit mountain or ruin levels. This rip was part of my C3 Graphic Ripping Showcase.
Uses palette 3 and half of palette 4. Two background slots (BG2 and BG3).