Geometry Dash Vertical takes the rhythm-platformer idea and turns it ninety degrees: the level scrolls vertically and you switch lanes rather than jumping, with rocket sections where you hold and release to control altitude.
The two modes need different instincts — lane switching is discrete and immediate, rocket flight is continuous and needs anticipation — and levels alternate between them.
It scrolls vertically with lane-switching instead of jumping, and adds rocket sections where you control altitude by holding and releasing rather than tapping.
The transitions between cube and rocket modes, because the two need completely different input rhythms.
Yes — swipe for lanes, hold for the rocket. Nothing to install.