Straight to the point: Midnight Run is gaps that start at 37% of the screen and shrink with every point, playable in your browser right now. It is tuned for quick runs, honest difficulty, and controls that make sense the first time you touch them.
One tap flaps, releasing drops, and the world scrolls at you; thread the gaps and keep off the ground and the ceiling. The gaps that start at 37% of the screen and shrink with every point, so early pipes feel generous and the run only gets sharper the longer you survive.
Nothing here needs a tutorial or a wiki. Controls are one gesture, the goal is one sentence, and the difficulty comes from execution rather than homework. That is exactly what a browser game should be.