To complete Metro Exodus 100% and unlock the Platinum Trophy, you must unlock all trophies/achievements. In this guide we explain the following task to you:
Take part in the Admiral’s tea party on the TAIGA level.
An overview of all trophies and achievements can be found here.
TAIGA – Tea Party
The place is part of the story progression in this level. So you can not miss it. Basically, you have to sit down, play with the guitar after a while and wait for the admiral to sleep. It all takes about 8-10 minutes. At the table you can drink a cup of tea.