While finding a free PDF of Alone Against the Frost is not legally possible, the adventure is well worth its purchase price. If you cannot afford it today, start with the free Alone Against the Flames adventure to get your fix of Lovecraftian horror!

DriveThruRPG is the largest online marketplace for tabletop RPGs. They sell the official Alone Against the Frost PDF. The file is stored in your digital library forever.

If you specifically want a solo adventure, Chaosium offers Alone Against the Flames for free!

This title is a copyrighted solitaire adventure for the Call of Cthulhu roleplaying game. It is published by Chaosium Inc. Downloading unauthorized free PDFs violates copyright laws. It also harms the creators who write and design these games.

You play a research professor on an expedition.

You can download it in various file sizes for different devices. Why You Should Avoid "Free" PDF Sites