Interstellar Survival: I Can Upgrade Resources Infinitely

Suddenly, billions of people around the world all enter an interstellar survival game. Here, everyone is equal. There is only 10 flat territories at the beginning, and you face endless interstellar monsters alone, including zombies, zombies, aliens, etc. Chen Tian is bound to an unlimited upgrade system and can upgrade all resources. "Congratulations to the host for the successful upgrade. The fruit knife has been upgraded to a 40-meter-long machete." "Congratulations to the host for successfully upgrading the primary interstellar airdrop box to the advanced interstellar airdrop box." "Congratulations to the host for successfully upgrading the Big Pineapple M249 to the modified Big Pineapple M249." … While others had to eat dry bread and drink cold water to fill their stomachs, Chen Tian already had a professional cooking team of cat-ear chefs to prepare delicious meals. While others were still slashing zombies with machetes, Chen Tian had already led an army to invade the lair of interstellar monsters. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.