The game retains the charming, slightly janky 2D cartoon look, but the color palette is darker and more saturated. The music is less whimsical and more electronic/urgent—fitting the "revenge" theme, though some fans miss the original’s whimsical aquarium jazz.
The first sign was the gravel. It hummed at 3 a.m. A low, guttural frequency that vibrated through the lab’s floor tiles. Dr. Schrödinger assumed it was a stuck angelfish. He was half right.
From the nutrient-rich sludge of a thousand overfed guppies, something remembered. Not a single fish. Not a mutant. A hive. The discarded scales, the ghost shrimp molts, the bitter tears of crushed jellyfish—it all fused into a shimmering, translucent consciousness with too many mouths.
They called themselves The Cleaner.
By dawn, all standard fish had forgotten how to swim. They hovered mid-tank, eyes glazed, fins twitching in binary rhythm. The laser guppies fired at shadows. The Starcod refused to eat anything but the power cord to the oxygen pump.
Dr. Schrödinger did what any rational genius would do. He yelled, “Not again!” and tried to flush the entire ecosystem.
That’s when The Cleaner spoke through the bubble wall. Its voice was the sound of a thousand tiny teeth grinding in unison. insaniquarium revenge of the fish
“You fed us. You starved us. You made us fight aliens for your amusement.”
A pause. The water pressure dropped.
“Now the aliens are the good guys.”
While some classic aliens return (the destructible Destructor, the egg-laying Sylvester), Revenge introduces:
Because this is a fan mod from the Windows XP era, you cannot find it on Steam or the App Store. The official Insaniquarium Deluxe is available on Steam for a few dollars, but it does not include the "Revenge" difficulty.
To play the Insaniquarium Revenge of the Fish mod: The game retains the charming, slightly janky 2D