Karnath's Revenge is the fourth stage from Battletoads in Battlemaniacs.
This level plays identically to the Karnath's Lair level from the first game, with just a few new twists.
The first section is straightforward, with only a few rocks as obstacles. The second section adds in the lethal spikes and fast snakes, requiring fast reflexes to procceed. On the third section has two snakes moving at the same time, which you'll have to hop in between back and forth in order to dodge the spikes. The fourth and final section is completely frozen, with slippery floors giving momentum to the player's movement and making the platforming more difficult.