In 2042, the "Red Fog Virus" ravaged the world. The infected mutated into "frozen zombies" that became increasingly violent in the extreme cold. With the advent of the "Global Little Ice Age", the northern hemisphere became a frozen purgatory of -25°C. Human civilization fell apart and survived only by exchanging "apocalyptic credits" for fuel, cold-resistant materials and weapons. Those without credit points would either freeze to death within 24 hours, or be expelled from settlements and become prey to frozen zombies.
To survive, survivors flock to CrossFire: Winter, the only official game developed by the Lighthouse Organization. Here, the admission ticket is the player's entire wealth: 1,000 credit points are required for a single battle, and 5,000 credit points/team are required for a team battle. Once you die in the game, not only will the admission ticket be cleared, but in reality you will be in a desperate situation due to the loss of wealth. Only by fighting to the end in the game, winning classic modes such as team competition, blasting attack and defense, and biochemical escape, and even reaching the top of the global finals, can you win the "Endgame Survival Fund" - this wealth can not only support survival in the end of the world, but also promises that after the virus is eliminated and the climate recovers, it can be exchanged for a global currency to start a new life.
Lin Ye, a programmer who lost his parents, mortgaged his remaining credits to enter the game in order to save his younger sister Lin Xi who was infected with the virus. He fought his way out of a desperate situation and met former professional player Zhao Lei, military doctor Su Qing, and mercenary Chen Mo to form the "Winter Fire" team. They not only have to fight against krypton gold bosses and teams directly under the lighthouse in winter-like classic maps such as transport ships and black towns, but they also have to use the weapons rewarded by the game to resist the siege of quick-frozen zombies and ice-core zombies in reality.
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