Endless Runner: Zero to Hero

It's the end of the 21st century, when the entire world is plunged into chaos: a zombie epidemic, accompanied by enemies from the past and future attacking simultaneously. As one of the few survivors, you advance, rush, and eliminate all enemies to protect your beloved homeland. Don't think you're alone; along the way, many allies will join you, supporting you with the most advanced weapons.
With simple gameplay, you only need to understand basic arithmetic, carefully calculate to choose the most suitable upgrades, and win.