Stellune · Moon Gardens

How to play Cross sums: addition logic puzzle

The rules

Fill in digits so that each run of cells adds up to the number before it, with no digit twice in a run.

Tips

• Tap a cell, then a digit in the tray.
• In a clue stone, the upper number is for the run across, the lower for the run down.
• Pinch to zoom in on a large grid.

“Cross sums” is one of the 27 kinds of puzzle in Stellune, a relaxing brain puzzle game. Only nature sounds, no music. No lives, no rush. Every puzzle plays offline.

Coming soon to iPhone and Android.