Escape rooms are popular among young people. Teachers recognized their motivational potential and tried to transfer them into an online environment.
They learned how to prepare them during a lockdown and used them in their subjects. The author of this contribution was one of them.
She did 4 digital games, three of them in chemistry subject. The online chemical game "Found Diary" was intended for 17(18) years old students in the last months of the second year or at the beginning of the third year of high school.
It was tested with two classes, improved, and tested again with another two classes. Students saw it as a motivational tool for effective repeating and for fixing their knowledge.