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The Robo Spider is an enemy exclusive to Army Men: Sarge's Heroes 2. It appears in the levels Cashier and Pinball Table. It is behaviorally identical to the Toy Scorpion, but is visually distinct as a blue robotic beetle.

According to the game's manual, the Robo Spiders were toys that General Plastro used the De-Plastrification Serum to bring to life.

Robo Spiders can take plenty of damage, but are very slow, and have very poor senses, so Sarge can easily avoid having to deal with them by just ignoring and running past them.