STONES IN THE DARK● 0 · WAVE 1 · LIVES 3
The only light is Dir’s.Left and right to turn, up to thrust, space to fire. On a phone: the left half is a stick, the right half fires. Stones split when hit; a shot lights the stone it hits for a second.
Twenty for a large stone, fifty for a medium, a hundred for a small. Every thousand points a bigger stone that takes three hits; from wave five a stone that absorbs light until it is one ship length away.

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