Sonic Adventure 2 (PC Modded): Dark Story Part 6: Egg Quarters & Pick Nails
14While Shadow was wrecking havoc, and Eggman was furthering his evil plans, Rouge decided to make her own way inside the doctor's base.
Turns out she's not only a treasure hunter, but also a government spy, and now she needed to look for 3 Gate Keys to get further inside.
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This level is nearly a full copypasta of Knuckles' Death Chamber, but with one big twist: There are beetle robots swarming the area. If they spot you, they will shoot you with unavoidable lasers after a few seconds.
If you want to get away from them, find some shade and hide in it, whether it means not getting found, or escaping the beetle robots' sight if you have been found.
This level has Rouge's version of Knuckles' Shovel Claws, called the Pick Nails, letting her dig through dirt. And yes, she digs with her feet.
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This playthrough was modded so that I could detect the Keys before its their actual "turn" to be detected, though I didn't do too good of a job showing that, here.
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Rouge eventually reaches the core of Eggman's Hidden Base.
Turns out that Eggman can use that room to transport himself up to Space Colony ARK. So Rouge sends herself their to catch up to Eggman and see whatever he's planning.