->''"What is this thing? I mean, it serves no useful purpose for there to be a bunch of [[SmashingHallwayTrapsOfDoom chompy, crushy things in the middle of a hallway]]... well, forget it! I'm not doing it!"''
-->-- '''Gwen [=DeMarco=]''' (faced with the obstacle course from hell), ''Film/GalaxyQuest''

Objects, places, and characters that exist to impede the progress of others, and the methods used to do so.
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[[index]]
* AbsurdlyIneffectiveBarricade
* BarrierWarrior
* BeefGate
* BerserkBoardBarricade
* BigDoor
* {{Bouncer}}
* BrokenBridge
* {{Caltrops}}
* CashGate
* ChokepointGeography
* ClockworksArea
* ContainmentField
* DeadlyRotaryFan
* DeathCourse
** AdvancingWallOfDoom
** BottomlessPits
** CorridorCubbyholeRun
** LaserHallway
** PitTrap
** SmashingHallwayTrapsOfDoom
** SpikesOfDoom
** SteamVentObstacle
* DeathTrap
** DescendingCeiling
** FakePlatform
** IndyEscape
** TrapDoor
** TheWallsAreClosingIn
* ForbiddenZone
* GateGuardian
* GuerrillaBoulders
* IckBarrier
* ImpassableDesert
* InsurmountableWaistHeightFence
* InvoluntaryGroupSplit
* LockedDoor
* MalevolentArchitecture
* MobstacleCourse
* MomentKiller
* MookBouncer
* NPCRoadblock
* OnlyTheWorthyMayPass
** OnlyIdiotsMayPass
** OnlySmartPeopleMayPass
* ParachuteInATree
* PlotLock
* PointOfNoReturn
* RoadBlock
* SeaMine
* SpaceMines
* ThresholdGuardians
* WannabeLine
* WatchingAVideoGame
* YouHaveToBurnTheWeb
* YouShallNotPass
[[/index]]
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