- Frogwares: Journey to the Center of the Earth - Official site contains screenshot gallery, demo, and links.
- Game Boomers Walkthrough - Detailed walkthrough page with screenshots of puzzle solutions.
- Low-Spoiler Guide to Journey to the Center of the Earth - Review, gameplay hints, and walkthrough with spoilers on a separate page.
- Universal Hint System - Click-through hints revealing progressively more information about the game.