Geometry Dash Sonar is an Easy level rated 2 stars with 3 user coins, created by Minesap and published by JerkRat. It is the Alpha Pack's first level. It is the game's second-most popular user level.
The first coin can be found in the first ship sequence. To obtain it, the player must fly between two little cubes at the top of the level.
The second coin is positioned between two cubes in the second cube segment. To acquire it, the player must descend, grab the coin, and then rapidly jump up to avoid crashing.
The final coin is found in the first and only wave segment. To obtain it, the player must aim their wave down into an entrance in a big triangle-like obstacle at the level's bottom. When the player grabs it, he or she must rapidly maneuver up and out of the obstacle through the second opening.