The game uses mana orbs for in-game currency, which you can use to buy characters, effects, and colors. In-game items can be purchased with mana orbs, but you can also get free stuff by purchasing extras. The best chest to purchase items is a large chest. To unlock more chests, you can click on the Free Stuff button. You can only use this button if you've opened all the chests.
The sixth major update added new levels and the Theory of Everything level, with a soundtrack composed by DJ-Nate. The game also featured a lite version that only featured one level. The ninth level, Time Machine, was also added. Geometry Dash Lite also had an expansion called Back on Track. Geometry Dash 2.1.6 brought new levels to the game. The most popular ones were: