Hexaunt — Io
It sounds like you're looking for information on Hexanaut.io
—special landmarks scattered across the map that grant significant tactical advantages when captured: Totem Type Speed Totem hexaunt io
Because of the hexagonal geometry, you can trap players with only three lines instead of four. If you see an opponent tunnel-visioning on a big capture, drop a U-shaped pattern behind them. They will run right into your tail. It sounds like you're looking for information on Hexanaut