History Main / BorderPatrol

See also BeefGate and BrokenBridge where you are expected to be able to bypass the monster or obstacle, but not right away. Compare {{Boundareefs}}, where the monster is replaced by an impenetrable line of rocks. More player-friendly examples of border-enforcing in which {{NPC}}s will tell you to come back after which you're forced to return fall under ButThouMust. Related to DropInNemesis. Not to be confused with members of the US Customs and Border Protection Agency, which fall more under CheckpointCharlie.

See also BeefGate and BrokenBridge where you are expected to be able to bypass the monster or obstacle, but not right away. Compare {{Boundareefs}}, where the monster is replaced by an impenetrable line of rocks. Related to DropInNemesis. Not to be confused with members of the US Customs and Border Protection Agency, which fall more under CheckpointCharlie.

* ''VideoGame/{{Helldivers}} 2'': WAndering too far beyond the mission area and not returning in time will result in you being charged with treason and summarily executed with a KillSat.

* ''VideoGame/{{Helldivers}} 2'': Wondering too far beyond the mission area and not returning in time will result in you being charged with treason and summarily executed with a KillSat.
-->--'''TRAITOR DETECTED'''\\

* ''VideoGame/DragonsDogma'' and [[VideoGame/DragonsDogmaII its sequel]] have the Brine, a blood-red mist-like mass that inhabits large bodies of water, including the ocean, that instantly devours anything that falls in -- [[SuperDrowningSkills so you can forget about swimming away from Gransys or Vermund.]]

* ''VideoGame/WorldOfWarcraft'' uses a combination of border patrols and triggered effects. Most of the coasts are patrolled by elite sharks, and if you swim past them you get a "fatigue" gauge gradually empties, like your oxygen gauge does if you're underwater, and you suffer 20% of your max health in damage every two seconds once it's depleted. Prior to the ''Cataclysm'' areas that had not been fully implemented would apply a "no man's land" debuff that teleported explorers out and "Guardians of Blizzard" that death-touched the over-eager.
** Certain "fatigue" areas can actually be passed over with the highest level of flight speed. Examples include flying between Teldrassil and Darkshore, or between Vashj'ir and Stormwind. The sharks can be avoided by walking on water or by being high-level enough to kill them, but the fatigue debuff is unavoidable; [[DevelopersForesight Even player ghosts succumb to it.]]
** Funnily enough, there was one quest (part of the long-since defunct Scepter of the Shifting Sands quest chain, specifically the Blue Scepter Shard branch's "Draconic for Dummies" sub-chain) which required the player to reach an island normally inaccessible because of the Fatigue mechanic. The solution was to obtain a swim-speed buff (which a nearby NPC provides after a short, optional quest) to reach the island before the player died to the Fatigue.

* ''VideoGame/DeadMeetsLead'' is infamous among UsefulNotes/{{Steam}} gamers for employing ''malaria'' as a deterring agent for players who so much as stray off the beaten path.

*** Early on in the game, a similar use of the same mechanic is used for a mix of {{Railroading}} and ContinueYourMissionDammit, as sailing into territory not on the way to your objective will have the King of Red Lions tell you it's too soon to keep going and to head for your next objective, and then course-correct before letting gameplay resume.