The Juvenile Antaresian Spider is an enemy that appears in Serious Sam 3: BFE.

Overview and attacksEdit

The Juvenile Antaresian Spider is a large demon-like spider, that, like Hatchling Antaresian Spiders, can walk on walls and ceilings. Its primary attack is spitting acid balls towards the player, but their projectiles can be destroyed with one bullet. As they approach closer, they will attempt to bite the player instead.

NETRISCA informationEdit

"Antaresian Spiders originate from Antares Prime, located in the hearth of the Scorpius constellation. Antares is a red super-giant star featuring gigantic planets and gigantic organisms living on them. Juveniles already have very strong and developed jaws. These are dangerous weapons which you should keep away from. Glands in their tail can quickly produce large quantities of poisonous acid and squirt it across a distance to unsuspecting prey. The exoskeleton in juveniles is developed enough to protect them from multiple bullet shots. Like many other arachnids, Antaresian Spiders have adhesive surfaces on their feet, allowing them to cling to walls and ceilings."


These Spiders serve as main ranged/melee hybrid front-line units or used in small ambushes. They can be encountered in groups of any size.


  • While having almost the same health as Kleer skeletons and filling the same role in combat, these enemies are significantly easier to deal with. They do not have as much speed and lack the Kleer's deadly lunging attack. Their only advantages are that they can climb on walls and have faster projectiles.
  • Two shots from the Shotgun or one shot from the Double Barrel Coach Shotgun are enough to kill one, although larger packs of them can be dealt with the Rocket Launcher, especially if the unlimited rocket stash is present.
  • Smaller groups can effectively be dealt by using melee attacks or the Sledgehammer. Care should be taken to dodge their acid spit when they are about to fire.
  • Extremely large groups (i.e. the horde in The Guardian of Time) can be dealt with using the Minigun.
  • Oddly, their acid spit attack can be shot out of the air.
  • When these spiders appear with other enemies, they are usually a low or medium-low priority target. Most of the other enemies are more powerful, faster or have harder-to-dodge attacks. However, despite their low profile, they have a tendency to block more dangerous enemies like Kleer skeletons and beheaded kamikazes, making their movement more unpredictable.

Appearance StatisticsEdit

The below list shows how many of this enemy type appears in each game, per difficulty and either single or co-op mode.

GamesTourist, Easy and Normal Single PlayerHard and Mental single playerSerious Difficulty single playerTourist, Easy and Normal Co-opHard and Mental Co-OpSerious Co-Op
Serious Sam 3: BFE384399399404408408

Related AchievementsEdit

Name and Icon Description Notes


Rip 10 Juvenile spiders apart. -
Kung-fu Fighter

Kung-fu fighter

Perform all possible finishing moves in the game. Rip a Gnaar's eye out, a Rocketeer's heart out, a Kleer's head off, a Scrapjack's face off, a Juvenile Spider's head off and squash a Hatchling Spider and break a Soldier's neck.


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