E-1000s are mass-produced E-Series robots created by Dr. Eggman inside his Hidden Base. They were created out of parts of E-102 Gamma and employed in the Pyramid Cave, Egg Quarters and Death Chamber level. The tips of its robotic feet are cyan instead of the original version's green. It had two arm cannons, instead of Gamma's one. However, despite having double the firepower, the E-1000 line's weaponry, with low-velocity projectiles and no homing feature, was generally far less effective than E-102's single missile launcher.

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