Trichotomy
Published Mar05 2025.
Update (Mar05 2025): tweaked puzzle Swivel, per Zimodo's suggestion.
Update (Mar09 2025): added puzzle Flout.
Update (Jan12 2026): renamed genre to Trichotomy.
Summary
Shade cell groups with three neighbors each.
Playtesters:
- Abi
- Eden
- Seren
Rules
Shade some cells, forming orthogonally adjacent groups of shaded and unshaded cells.
- Black circles are shaded, and white circles are unshaded.
- Groups contain at most one circle.
- All shaded groups are orthogonally adjacent to exactly three unshaded groups.
- All unshaded groups are orthogonally adjacent to exactly three shaded groups.