Tunnel Run

Look ahead, not at your dot

Tunnel Run is a nerve game. The passage scrolls toward you while you steer a dot up and down (arrow keys, W and S, or just hold to rise and let go to fall), trying to thread the gap without brushing a wall. The single biggest improvement most people can make is simply where they look. Stop watching your dot and watch the tunnel ahead of it, reading the bends before they arrive so you're already drifting into position instead of reacting late. There's a simple drill for it: pick a point about a third of a screen ahead of your dot and keep your eyes pinned there for a whole run. It feels wrong for thirty seconds, and then the game seems to slow down, because you're steering toward what's coming instead of flinching at what's already here.

Small taps beat big ones

Runs rarely end on a wall that came out of nowhere. They end on overcorrection. A panic tap sends the dot too far, the next correction overshoots the other way, and two bounces later you've oscillated straight into the edge. Feed in small, calm inputs and keep the dot near the middle of the channel, where you have margin on both sides. The centre line is the safest place to sit, because it buys you the most room to fix a mistake before it turns fatal.

• Ride the middle of the gap whenever the tunnel lets you; hug an edge only when a tight bend forces it.
• Anticipate the narrowing: the passage weaves tighter the further you go, so the room you have now won't last.
• Relax your hand. Tense, jabby inputs are what kill long runs; smooth ones sail through.

Feathering, the one-input skill

If you play with the hold-to-rise control, the skill to build is feathering: short, even pulses that hold the dot level, the way you'd feather a throttle. A long press is a climb, silence is a dive, but a steady drumbeat of quick taps is level flight, and level flight is what you want most of the time. Practise it on the easy opening stretch on purpose. Fly flat down the middle for as long as you can, and you'll find the rhythm your thumb needs later, when the walls close in and there's no spare attention left for finding it.

Bends have a technique too. Approaching a dip, release early and let the dot start falling before the ceiling forces it down, then catch the fall with two or three pulses at the bottom. Climbs are the reverse: start the hold a beat before the floor rises. Through a tight S-bend the safe line usually clips close to the inside of each curve, because the outside wall is the one swinging toward you. Ride the middle everywhere else, but in a hard bend, favour the inside and leave yourself the exit.

And play in short bursts. Tunnel skill is timing, and timing goes stale as your hand tires; three focused runs beat fifteen sloppy ones. If two runs in a row end early on clumsy overcorrections, that's your hand asking for a minute off, not your reflexes failing.

A short history of the cave flyer

Tunnel Run sits in a line of one-input tunnel games that goes back further than most players guess. Palm handheld owners in the late 1990s wore out a little game called SFCave: one button, rising speed, a jagged cave. The idea went huge in the browser era as the Helicopter Game, the office time-killer of the early 2000s, and then conquered phones in 2013 when Flappy Bird squeezed the same formula into taps and pipes. Its creator, Dong Nguyen, famously deleted Flappy Bird at its peak in February 2014, while it was reportedly earning around fifty thousand dollars a day from ads, because the attention had become too much. Different screens, same DNA: one input, a scrolling gap, a speed that only climbs, and a score that is nothing but distance. There's no finish line here either. Every stretch comes a little faster and a little tighter than the last, until a wall you'd have cleared easily early on becomes the one that finally gets you.