To survive, you eed to eat ad moitor your eergy expediture. Fid supplies, weapos, ad fight mosters. Just survive =)

Young businessman Perry arrives in town to close a lucrative deal. Perry rents a penthouse in the city's most luxurious hotel. Especially since this damn war with the Confederacy is finally ending! But upon arrival, something terrible happens. A desperate biological attack by the losing Confederates caught everyone by surprise. Something happened that no one could have imagined. They launched hundreds of missiles and plunged the entire world, including themselves, into chaos.

For iOS:
Safari on iOS 8 and later supports WebGL 1.0, and on iOS 15 and later supports WebGL 2.0.

For Android：
Nearly all of them support WebGL