Hello Bara,
Thank you for the in depth feedback. Indeed we have a pool of easy, medium and hard to spot anomalies. We created this so failing could be interesting cause if you fail the more opportunity you have to uncover the story bits. So dont feel sad or demotivated to give it another try someday. Let me give you some tips so you can enjoy the game. 1. The ticket on the right mouse click can be an anomalie. 2. from room 5 onwards the atmosphere changes, that's not an anomalie. 3. Only the bell sound can be an anomalie. 4. Pay attention to all objects in the room plus chairs like the notes point out. 5. the inside reception area is not an anomalie nor have any, so you dont need to be counting the books or if the PC moved hahah. This is it, the rest is an experience. I understand it can be frustrating but quit and try other day. Its rewarding when you put the story together and win. Thank you once again for playing, downloading and giving us your feedback. Its very valuable. Big hug from Portugal