Uh, is this where I explain what it's about?

It doesn't really have a description. If you've played Infinite shift, The Pan, Or a previous Dash you would know the rules. Basically you stay on the screen, which moves through a bunch of things that you can't touch

Dash 4 has 3 modes: Laggy, Normal, and Fast. Normal is the regular game, and is probably the easiest overall. Laggy is "slow" but choppy, and in some parts easier than normal. Fast is... fast... Lol. Fast is almost a joke, and I doubt anyone will complete it.