Collecting keys in the Search game December 19, 2023 22:58 Updated While investigating scenes as part of events, you can collect items that aren't on the search list: keys. Keys open locked cases. Related articles What types of quests are there, and how do they differ? Collecting keys in the Match-3 game Collecting keys in the Match-3 game How do I unlock a new evidence search scene? What is an evidence search scene?