Just like in Nitro Processing, Crash/Coco have to go through wall-running sections and dodge rats, bats and electric roaches. If they have collected all of the colored gems, they will be able to complete the multicolor gem path.
Names in Other Languages
|(Same as English)|
|French||Tunnels Toxiques||(Same as English)|
|German||Toxische Tunnel||(Same as English)|
|Italian||Tunnel Tossici||(Same as English)|
Doku hedoro ton'neru
|Sewage Sludge Tunnel|
|Polish||Toksyczne Tunele||(Same as English)|
|Portuguese||Túneis Tóxicos||(Same as English)|
|Spanish||Túneles Tóxicos||(Same as English)|
- The presence of caverns and minecart tracks under Cortex Island calls back to two minecart levels that were originally pitched for Crash Bandicoot.