A dot slides along a wire. Tapping flips its gravity to the wire's other side. The wires curve, spiral and split, and the spikes and gaps between them need flips timed to the frame. One touch is instant death — and instant restart, in under half a second, with no loading screen and nothing in the way.
Every hazard is deterministic. There is no randomness anywhere in the simulation, which means no death is ever unfair and every death is repeatable. That's the whole point: you should be able to feel that it was yours.
Failure is the thing worth showing. Each level displays your death count and the share of players worldwide who have ever finished it — usually a very small number.
Not out yet
Kerfline is in development for iOS and Android, launching on both at once with 24 hand-built levels. There's no release date to announce yet.