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The Cycloid Sentry is a miniature version of the Cycloid Emperor, bearing the same relationship to the Cycloid Emperor that the Battlelord Sentry bears to the Battlelord. It wields the same attacks as its boss counterpart.

The Cycloid Sentry first appears on Bloody Hell, the third level of Alien World Order. It makes the fewest appearances of any recurring enemy; across the course of the game, there are only four cycloid sentries, three of which only appear on higher difficulty settings.

In the authorized Duke Xtreme expansion, two cycloid sentries appear on the level Sanitation Plant, and in the expansion Duke!ZONE II, one can be seen on the level Banzai, but these enemies are not identical to the canonical cycloid sentries introduced in Duke Nukem 3D: 20th Anniversary World Tour.

Description

The Cycloid Sentry is a smaller, weaker version of the Cycloid Emperor. Like the Cycloid Emperor, it can rapid-fire rockets from its cybernetic appendages, and it can spray clouds of psychic projectiles from its mouth. It also exhibits the Cycloid Emperor's tendency to fire its weapon in response to damage.

The Cycloid Sentry is more likely to use its psychic blast at close distances or if the player is in the same sector, and it is more likely to fire its rockets if the player is far away.

The Cycloid Sentry is a particularly slow enemy; it is noticeably much slower than the Battlelord Sentry.

Combat analysis

Unlike the Battlelord Sentry, the Cycloid Sentry is capable of self-inflicting damage with its explosives. It requires only ~6-7 of the Cycloid Sentry's own rockets for it to kill itself. Because all of the Cycloid Sentries in the game are placed behind barriers, they can be reliably led to kill themselves without costing the player any ammunition. In fact, they are normally very difficult to keep alive.

Other than the Shark, the Cycloid Sentry is possibly the least likely of any enemy to deal damage to the player. Even the Protozoid Slimer may have an advantage due to the slime puddles it produces.

Weapon effectivenesses
Mighty Foot
MightyBootSprite.png
?
(not measurable) kicks
Pistol
PistolSprite.png
130 shots
Shotgun
ShotgunSprite.png
12 shots
Chaingun Cannon
ChaingunCannonSprite.png
94 shots
RPG
RPGSprite.png
5 rockets
Pipe Bomb
PipebombSprite.png
~9 bombs
Shrinker
ShrinkRaySprite.png
1 blast
Expander
MicrowaveExpanderSprite.png
72 shots
Devastator
DevastatorSprite.png
~30 rockets
Laser Tripbomb
LaserTripbombSprite.png
~10 mines
Freezethrower
FreezethrowerSprite.png
~44 shots
Incinerator
Incinerator.png
Not effective
  • The values given for the Shotgun and the explosive weapons are minimum values only.
  • The Mighty Foot cannot be measured without the Cycloid Sentry invalidating the measure by self-inflicting damage.
  • The Shrinker only affects the Cycloid Sentry near its crotch or feet. This may require disabling auto-aim.
  • The Incinerator deals damage, but if it reduces the Cycloid Sentry to zero health, the Cycloid Sentry becomes invincible.
Duke Nukem 3D
Episodes L.A. MeltdownLunar ApocalypseShrapnel CityThe BirthAlien World Order
Weapons Mighty FootPistolShotgunChaingun CannonRPGPipe BombShrinkerExpanderDevastatorLaser TripbombFreezethrowerIncinerator
Items Access CardsHealth ItemsHolodukeJetpackNight Vision GogglesPortable MedkitProtective BootsScuba GearSteroids
Enemies Assault CaptainAssault CommanderAssault TrooperBattlelord SentryCycloid SentryEnforcerFirefly TrooperOctabrainOverlord SentryPig CopPig Cop TankProtector DroneProtozoid SlimerRecon Patrol VehicleSentry DroneSharkTurret
Bosses BattlelordOverlordCycloid EmperorAlien QueenCycloid Incinerator
Editions ClassicAtomic Edition (Plutonium PAK)20th Anniversary World Tour
Expansions Duke AssaultDuke Caribbean: Life's A BeachDuke It Out In D.C.Duke Nukem 3D Level Design HandbookDuke Nukem's Penthouse ParadiseDuke XtremeDuke: Nuclear WinterDuke!ZONEDuke!ZONE 150Duke!ZONE IIUnofficial Expansions
Community High Resolution PackMods & Total ConversionsSource PortsSpeedrunningUser Maps
Other Build EngineCheat CodesDifficultyDuke Nukem (character)MultiplayerMusicPortsPrototypesQuotesScrapped Content
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