To reach 100% completion (and the true ending) in Crash Bandicoot 2: Cortex colpisce ancora , you need to collect all and all 42 Gems . Core Gameplay Mechanics
The game is divided into 5 main Warp Rooms, each containing 5 levels and a boss fight.
There is one purple crystal in every level (25 total). You must collect these to progress the story. Gems: