That was a very popular single-player escape game. Currently, the fastest puzzle-solving record uploaded online was finding three keys in five hours.

"Tuan Zi, I heard from Bear that you went through the prior version almost in a flash. Try this version! It's said that if you go through it, you can have the chance to experience the same designer's latest game." Ah Zi jumped up and down excitedly. "What do you think? Do you want to give it a try?"

"I'll have a ...