In the wasteland of nuclear war, a virtual competitive game "Civilization Tinder" based on the civilization data of the old era is popular among the survivor strongholds. Lin Tuo's "asset" is a complete server from an e-sports stadium before the war. He relied on the vast amount of classic game videos and training procedures in the museum to hold classes in the ruins, and the players he trained could actually influence the resource allocation pattern among the major strongholds.