Tap to leap in Geometry Dash Meltdown. End of story. But you won't have much downtime. Ragdoll spikes, fireballs, and swaying platforms are hurled at you by the game. Jumping at the wrong moment will end it all. You'll have to start over next time. A great deal. However, that is one aspect of the game that does not provide guidance. As a challenge, it swats it aside and wants you to try again.

The Seven Seas is the first level you should start with. It's the most lenient in a way. Listen to the music and get a sense of the timing. The music really does assist. You can use your ears as a controller because the patterns in the game correspond to the track. Gently tap to maintain steadiness as you unlock the rocket section. Practice Mode saving checkpoints are lifesavers, so don't overlook them.
Weirdly, it becomes addictive. You'll hit "restart" without thinking after you've died 87 times on the same spike. It's rewarding to just barely get away from a trap that has killed you five times in a row. The images are risky, the music is funny, and the action never stops. It's not just a game; Geometry Dash Meltdown is an enemy that needs your attention and actions.
Geometry Dash Meltdown will happily devour your leisure time if you enjoy simplistic arcade games that are challenging to master. Also, you will likely be grateful to it.