Call of Cthulhu: Prisoner of Ice It is a mystical quest partially based on the legendary works of G.F. Lovecraft. Events unfold in 1937, before the start of World War II. The Submarine of the Royal HMS Fleet Victoria during the rescue mission near the Falkland Islands is attacked by the German army and takes secret boxes with unknown content from them. A creature located in one of them, therefore, is on board the vessel, is selected from the dungeon and attacks the team. Now Lieutenant Ryan, as the senior officer on the British submarine, needs to understand what is happening as soon as possible, find the monster and save the world from destruction.

During the passage of the Call Ktulhu: the user's prisoner will have to visit 150 different locations in Antarctic and Argentina and try to destroy the chosen ice prisoners. Basically, the gamer needs to look for objects and activate them in certain places, which will allow, for example, to open doors, solve logical problems and gradually make their way through the area. In addition, fast quests are proposed to the user, where it will be necessary to act almost lightning speed according to the current situations. Each action of the protagonist leads to certain consequences, and if you do not have time to stop the escaped monster, the war can begin much earlier.