Signal Jam

Signal Jam is a one-finger timing game. A needle sweeps around a dial and a band lights up on the ring. Tap while the needle is inside the band to score. Tap too early, or let the needle pass the band, and the run ends on the spot. There is no continue, no revive, no shield and no free tap. Every run ends on your first mistake, so every hit is one you earned. The difficulty comes from a curve with a fairness floor. The dial speeds up and the band narrows as your score climbs, but past thirty hits it stops tightening and holds steady. A timing game that accelerates forever stops testing skill and starts testing luck. The band is also never narrower than a person can react to: however tight the curve gets, the needle always spends a fixed slice of time inside the target. Land near the centre of the band and the hit counts as a perfect. Unbroken streaks build the streak counter. From…