Rachet and Clank Tools of Destruction
  • Stuck in the Hall of Knowledge on the Planet Kortog.
    What is the next step from the 3 chambers around the pool with the mines.
  • Pushing the three buttons in the chambers opens the hatch at the bottom of the pool with the mines to give you another underwater tunnel to swim through. The room at the other end has giant jellyfish in the water (they're harmless). Use one to spring onto the ladder against the wall to get out.