Cross the receiver
No timer. Rows never clear. Connect one live component from the left rail to the right rail and it discharges.
Piece 1 / 24
Score 0
Signals 0 / 3
Current fragment
Input rail
Output rail
Focus the receiver. Arrow keys move. X rotates clockwise. Z rotates counterclockwise. Space or Enter drops. Reach three signals to bank, or keep building for score.