A territorial line-of-sight game. Cells are controlled — and pieces on them may flip — based on how many pieces of a colour can see them. Occupy more of the board at the end to win.

Inventors: Steve Metzger, Luis Bolaños Mures

See BoardGameGeek: Stigmergy.

Hex boards (size-7, default 8, size-9, size-10).

Tumbleweed/Pletore hybrid influence (tumpletore).

Komi disabled (nokomi).

• Current engine version: 20250607 (2025-06-07). On Abstract Play since 2024-06-08.

• Displays can hide threatened cells, influence, or both, and can use vertex style.

• https://boardgamegeek.com/boardgame/333767/stigmergy