Mysterious Game!

[Everything starts with a corpse that was made into 10cmx10cm and sealed in the cement floor] A secret game. Beating a level means getting everything you want. Wisdom, hard work, courage, Is it a game or the true meaning of life? How does the old director, who has decades of criminal police experience and is about to be promoted, choose a new life in the game, and how is he about to enter his twilight years outside the game?