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A fast one-tap arcade runner with a twist: your ball is stuck to a wall, and a tap flips gravity so it shoots straight across to the wall opposite. Spikes slide down the channel, jutting out of the left wall or the right — and you have to be on the other side each time one sweeps past. The longer you last, the faster it goes. One mistimed flip and it's over. Pure reflex, pure flow.
Your ball clings to one of the two side walls, partway down the screen. Tap anywhere on the playfield and gravity flips: the ball dashes across to the opposite wall and sticks there. Tap again and it flips back. That single tap is your only control.
Red spikes slide down the channel from the top. Each one sticks out of either the left wall or the right wall. If the ball is touching the same wall a spike pokes out of when that spike reaches it, you crash. So read which wall each spike comes from and make sure you're flipped to the far side before it arrives.
Flipping isn't instant — the ball takes a brief moment to cross the gap — so commit early rather than at the last instant. The spacing always leaves enough time to switch, but only if you don't dawdle.
Every spike you clear scores a point, and the scroll speed creeps up as your score climbs, squeezing your reaction time. There's no finish line: survive as long as you can and push your best score higher.
Flip on sight, not on instinct to wait. The most common death is hesitating until the spike is almost on you. As soon as you see which wall a spike comes from, flip to the other side — the gap gives you plenty of time if you move early, none if you stall.
React to the next spike, not the current one. Once you're safely past a spike, your eyes should already be on the one above it. Reading one spike ahead keeps you calm at high speed, where last-moment reactions stop being fast enough.
Don't double-tap by accident. Each tap flips you, so two quick taps put you right back where you started — usually into the spike you were dodging. Make one deliberate tap per switch and let the ball finish crossing.
Stay loose as the speed climbs. The run only ends because it keeps accelerating, so expect the rhythm to tighten. Settle into a steady flip-and-read cadence rather than panicking; smooth, early flips survive far longer than frantic ones.