We’ve rolled out the Complete Edition Update, packed with new gameplay features and convenient functions! Whether you're a first-time player or someone who's already explored the game, the enhanced "Cthulhu Mythos ADV The Isle Of Ubohoth" experience offers even more thrills. Don’t miss out—dive back in and enjoy!

New Features

▼ Cryptic Notes
Hidden across the island, cryptic notes now challenge your wits. Each one is a riddle—put your creativity and problem-solving skills to the test!

▼ Harasho’s Journal
Decode the cryptic notes to unlock entries from Harasho’s journal. This video streamer recounts spine-chilling tales of the horrors he encountered on the island.

▼ Puzzles
New puzzle challenges have been added to your island explorations.

▼ Success Rate Control
Unlock this feature by reaching any ending other than the Bad Ending. In scenes where dice-roll choices appear, a button will now appear in the bottom-left corner of the screen. Adjust the success rate to 0 for guaranteed failure or 100 for guaranteed success. Comes in handy for completing every scenario!

▼ Enhanced Effects
New effects have been added throughout the game to better reflect the emotions and mental state of the characters.

▼ Other Improvements
Design adjustments have been made to the title screen, window frames, and other visual elements for a more polished experience.