Ultimate Destruction

Ultimate Destruction is an unreleased level from the Geometry Dash beta. Presumably, it evolved into the level now known as Base After Base.

Description
What is shown of the level mostly resembles Base After Base, although a few sections resemble obstacle arrangements in Stereo Madness, indicating that Ultimate Destruction had begun development before it was split up to become those two individual levels. Many basic elements including jump pads and jump rings appear, along with gravity portals of both the activation (yellow) and deactivation (blue) variants. A notable aspect that differs from normal is that while flying the ship, the drop-down roof had not yet been implemented to contain it to the static view and could be flown outside of visibility. The trailer only shows the first two thirds of the level.

Trivia

 * The video shows the original name of Geometry Dash was previously Geometry Jump.
 * The cube icon seen in the preview is normally unlocked by completing Can't Let Go.
 * Despite the soundtrack not being released for an official level, Update 1.9 introduced the ability to select it for custom levels.
 * In the gallery below, an image shows 'Ultiate Destruction' instead of Ultimate Destruction in the level selection menu. This is occurs at the very start of the trailer right before transitioning to the level demonstration.
 * Also in the gallery below are a few of the original designs for various level elements. This shows that Ultimate Destruction was previewed in the trailer during later development of the game.