Pokemon: The Gameboy Effect - Chapter 1: If I can’t spend money on Pokemon, I’ll just stick to playing games

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

Not only could it swallow everything (wink wink nudge nudge), it could also extract bloodlines, martial arts, godly weapons, medicinal pills, treasures…

“This (beer) is way too strong! Don’t challenge me! Do you believe that I can’t swallow your divine swords?”

- Description from Novelupdates

After his death, Hang Qing got a system that allowed him to release the halo of Gary Stu (aka. Mary Sue) and conquer the villain in every world.

“You have an unparalleled appearance, a charming body, an irresistible voice, is conquering a villain that difficult?”

“…………… But I’m a f*cking man. “

“It doesn’t matter getting bent a little, you’ll get used to it.”

King of Swimming: √

Cold Singer Pop Star: √

Murder Movie Abnormal Boss: √

Most Beautiful Alpha: √

Ghost Imprisoned in the Castle: √

- Description from Novelupdates

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

This is a world where a king is the most powerful.