Leave land and return
Move from claimed ground into the open area to draw a trail, then return to claimed ground to close it. Use arrows, the four hold buttons or a board swipe. Release a hold or use Stop to halt. A closed trail claims regions cut off from every patrol; an unfinished line is still exposed.
Protect the open trail
Patrols move inside the unclaimed area. Contact with your exposed player or trail costs a life, and crossing your own open trail is unsafe too. Plan the return point before leaving the protected ground.
Claim enough to continue
Claim seventy-five percent of the inner cells to finish a wave. Each newly claimed inner cell earns one point, and clearing a wave adds one hundred. Three lives carry through the increasingly busy waves. After a clear, the next wave starts following a short pause; Continue or a board tap skips it. Switching away cancels this advance until Continue. Pause or P freezes active play; returning requires Resume.