I walk sideways in the game world

"This is impossible!" Ren Xiaoyao sat up suddenly from the bed. He looked around. The strange environment and strange people reminded him of an absurd fact - he had traveled through time and space, and traveled to the holographic game he was playing! What made him even more unbelievable was that this game was said to have a reality beyond reality. Once you enter, you will never be able to return to the real world unless you find the hidden task and complete it...