Use the 2nd coin on the middle machine. Give this to the Youki. Monastery: Candle Puzzle
To open the hidden room in the library, you must light specific candles based on the diagram from the chapel. Think of the 12 candles as a clock face. 3, 4, 8, 9, and 12 o'clock. Syberia 2 XLBA - Xbox 360 [Arcade]
Call everyone on the phone. Check your contact list regularly. Memory from Aralbad: Read what happened to Helena Romanski. Use the 2nd coin on the middle machine
Finish the game on difficult mode in under 6 hours. Key Puzzle Solutions Romansburg: Candy Machine Use the Small Key on the right-most machine to get coins. Think of the 12 candles as a clock face
Use the 5th coin (reindeer) on the left machine.
In the Cliff puzzle, click above Kate's head to climb and to her shoulder height to move sideways.
Scan every scene thoroughly. The game is a classic point-and-click; if you are stuck, it is likely because of an uncollected item or an unexhausted dialogue.