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    All nine lives are spent. Nothing is lost: rewind a step, or start the room again.

    Every step is one tick. When you Loop, or the clock runs out, time jumps back to the start and your last life replays as an echo beside you.

    • Move Arrow keys or WASD, or swipe the boardOne step, one tick. Echoes, hounds and scarabs move with you.
    • Wait Space, or tap the boardStay put for a tick while everything else moves.
    • Loop L or EnterEnd this life. Time jumps back to the start and this life replays as an echo beside the next. Nine lives per room.
    • Rewind Z or Backspace, hold to keep goingTake back a step, or keep going back into earlier lives. Nothing is lost.
    • Restart Hold R, or hold the buttonClear every life and start the room again. Rewind undoes it.
    • ?
      Hint HAppears after ten minutes or five restarts. Each press traces one more life of a solution.
    • Pause Esc or PSettings, the room list and this guide.

    Above the board: ticks left, your nine lives (with a mark at par) and the fish. Below it: every life's moves on one timeline. Gamepad: A wait, Y loop, X rewind, hold Back to restart, Start to pause.