Why the bug I wrote became a core gameplay mechanic?! - Chapter 12 - The Right Tester

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet."
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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ive years ago, the Ye family was destroyed, and the waste Ye Chen was ridiculed like a worm on the ground!

Five years later, the Ye family trash came back! He came back with a cultivating base of weeping ghosts and gods!

This time, Ye Chen wanted to let the sky awe! Let the earth tremble! Be in charge of everything and reach the top of the sky!

This is an extremely arrogant story that pretends to be a pig and eat a tiger!

PS: This book is guaranteed! Another 4 million words best-selling fire book is being serialized!

In a quiet world, Adam lived his life peacefully but it all changed when he woke up in an hospital bed with the ability.....Creation Of All ThingsArmed with this Overpowered ability, watch how Adam would uncover the truth of his world and beyond..

With the booming age of the internet, livestreaming is already a prevalent career all over the world. With people proving that money could be earned here, a lot of people jumped into it, gaining fame and wealth.Jay is a struggling 21 years old college student who dreams about becoming a livestreamer. Unfortunately, Jay don't have any talent beside his slightly handsome face. Because of that, it was hard for him to even have some viewers.But by a miracle, Jay gained the ownership of the Cube, changing his life all the way by doing all kinds of achievements![Congratulations, you completed the achievement 'Sing to your viewers in your live stream.'][You acquired the skill 'Singing' level 1.][You acquired 5,000 pesos.]...Disclaimer: This is a work of fiction. Unless otherwise indicated, all the names, characters, businesses, places, events and incidents in this book are either the product of the author's imagination or used in a fictitious manner. Any resemblance to actual persons, living or dead, or actual events is purely coincidental.