Run across the world you last walked. The barriers arrive in
superposition β two ghost-lanes at once β and only collapse to one as they near.
Read the collapse, pick your lane, gather the quanta.
β β or A/D to change lane Β· Space / β to leap Β· swipe on touch
π½ The Relay
Same course for every runner today β a shared daily seed, no matter whose world you last walked. Cross each 300 m mark and the baton passes: a burst of quanta, a fresh leg.