Link the docks with light beams so each dock has the number of beams it shows and every dock is joined into one station.
80 PUZZLES IN FOUR SECTORS
Inner Belt, Comet Reach, Ring Yard and Far Drift, 20 puzzles each, from 7 by 7 up to 9 by 9 and from gentle to tough. Play the sectors in any order. Use single or double beams between docks.
ONE ANSWER EVERY TIME
Every puzzle and every daily puzzle has exactly one solution. A tick shows on each finished dock.
ONE PUZZLE A DAY
A new daily puzzle, the same on every phone for each date. You can play days you missed in the last week for free, and there are no streaks.
HELP WHEN YOU WANT IT
One free hint a day. After that, a hint is an optional short ad, always with a No thanks button.
11 ACHIEVEMENTS
Earn them as you play. On Android they can also go to Google Play Games when you are signed in.
NO LIVES, NO TIMERS
No energy either. Undo is free and unlimited, and there are settings for Sound, Haptics, Reduce motion and Colour-blind aids.
A calm bridges puzzle on a star station. Link the docks with light beams.