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Water Eggman
From Sonic Retro
Water Eggman (ウォーターエッグマン), the boss for Chemical Plant Zone, is a tricky boss in that the floor panels on each side of you flip over, kind of like trap doors. That being said, be careful as to not be on any one of those platforms while they turn over, or else you'll plummet to your death. The trick here is to simply bounce on Robotnik TWICE in a row while he's docked on the side of the screen, filling up his giant vat with blue chemicals. When that's full, he'll try to dump it on you. Not to worry, just jump over the chemicals, it's not hard at all to do so. Alternatively, if you're playing as Sonic, you can duck when Robotnik drops the chemicals on you; it won't harm you.
After eight hits, the boss is defeated.
Note: In the beta, sprites have been found of Robotnik accidentally dumping the chemicals in his machine on himself. This may be a missing boss ending sequence similar to the one in Emerald Hill Zone.
Technical info
| Game | Object ID | Code offset | Mappings offset | Compressed art offset | Subparameters |
|---|---|---|---|---|---|
| Sonic the Hedgehog 2 | $5D | $2D734 | $2ED8C | $84332 (Nemesis format, 111 blocks) | $????? |
| Sonic the Hedgehog 2 (16-bit) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Main Article (S2K) | Bosses:
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