Apocalypse Reset: I Kept All the Technology

[Apocalypse + no System + no special powers + mutated zombies + nanotech combat suit + giant mechs + alien beasts]

The apocalypse descends, and zombies run rampant.

Humanity fights back with everything it has, only to discover that it was all part of an alien conspiracy.

As the zombies continue to evolve, humanity gradually loses the ability to fight back.

At the critical moment, the soldiers of Huaxia fear neither death nor danger. They form a 3,000-strong suicide squad, equip themselves with humanity's most advanced technology, and infiltrate an alien spacecraft. Only one person returns, but they successfully steal alien technology, finally giving humanity the strength to fight back.

Before humanity can fully decipher the alien technology, however, the furious aliens unleash a hundred-meter-tall Titan beast, plunging humanity into another deadly crisis.

At the very moment Earth is about to fall, Huaxia's chief scientist finally develops a time machine. Zhou Qi, deputy commander of the Huaxia Nanotech Special Forces, boards it with the Zero Nanotech Combat Suit and all of humanity's current technology. Carrying humanity's last hope, he uses the time machine to reset the apocalypse…