

Uncover the scars of Karafuto's fall in 1945. Decode hidden messages left amid Japanese relics as Soviet forces closed in, revealing a traitor's final secret before the island's dual identity was erased.

Uncover the final message of a double agent at Karafuto's twilight. Decode clues hidden in Soviet monuments and Japanese relics to expose his true identity before his secret fades forever.
The Explorer Pass is valid for 12 months from the date of purchase. The City Pass has no expiration date.
Each code is linked to a phone. If you play with multiple people on the same phone, one code is enough.
After purchase, you immediately receive your codes by email. Activate them one by one whenever you want.