Global Freeze: My Shelter Has Unlimited Upgrades!

[Global Frozen] + [Sequence Survival] + [Upgrade Materials] + [Hoarding] + [Not the Holy Mother] + [Survival of the End of the World] + [Awakening Power] + [Mutant Creature] On November 1, 2038, the global temperature suddenly dropped sharply, auroras and heavy snow came one after another, wrapping the Blue Star into a big snowball! The apocalypse broke out, and in order to survive the extreme cold, more than 90% of all animals and plants died. Some of them mutated due to radiation and turned into monsters, zombies, weird, alien species, etc. After humans were irradiated, a few lucky ones got a blessing in disguise and gained all kinds of unimaginable powers, transforming from ordinary survivors into sequencers! … In his previous life, Deng Xiu died of hunger and cold after three months of the apocalypse. When he was reborn, he bound the system, made money through online loans, and stocked up all kinds of goods, filling up the system space! … The storage space is just an ancillary function of the system, and the core function of the system is to upgrade various materials. [Upgrade the toy gun into a real gun: 10 upgrade coins are required. [Upgrade the fireplace to an energy-saving fireplace: 15 upgrade coins are required. [Upgrading an ordinary safe house to a doomsday C-level shelter: 100 upgrade coins are required. Upgrade……