Geometry Dash The Nightmare is an Easy Demon level rated 10 stars, created by Jax (GW JAX), a well-known player from South Korea. It take the second position in the Demon Pack 3.
The Nightmare is said to be one of the easiest Demon levels, although many players believe that levels such as Platinum Adventure and The Lightning Road are easier. However, difficulty is subjective and can vary depending on the player's skill level and experience with the game. The remakes made by Alkali and BranSilver also demonstrate The Nightmare level's enduring popularity and influence in the Geometry Dash community.