- Jan 7, 2018
- 5,559
- 4,552
iirc they offer a alternative way to activate them if you miss them.You need to progress the game to a certain point to activate them (and then if you progress the game too much without clicking on them they turn inactive again).
Pretty much thatYou should follow a walkthrough step by step from scratch if you want to be sure to unlock all hidden events.
Best way to find things is to use forum search and follow the instructions that were given already.