Subject 9 is a unique game that challenges players to fight to survive, using the environment to help aid the cause, and elemental powers to lay waste to anyone who stands in the way. Set in the future, the game is about a biological human weapon, Subject 9; is granted super human powers by a corrupted company that's attempting to contain him as he escapes for freedom. This isn't your traditional shooter because it mixes unique offensive and defense mechanics integrated into the game resulting in a smooth, fast paced adrenaline pumping action and fluid gameplay. The game is closely considered as an isometric tactical shooter packed with fun mechanics and fast action.

《九号实验体》是一款极具特色的生存战斗类游戏。玩家需借力周遭环境求生，催动元素异能横扫所有挡路之敌。游戏以未来为背景，讲述了生化人形武器九号实验体的故事：一家腐败的企业赋予他超人异能，却在他为自由出逃时对其展开全力围剿。
这并非传统射击游戏 —— 游戏融合了独树一帜的攻防机制，打造出流畅爽快、节奏拉满的燃情战斗体验，操作手感丝滑连贯。本作也被广泛定义为一款等距视角战术射击游戏，兼具趣味玩法与快节奏战斗快感。

Year 2092. VexTech Corp. contributes to a large sum of the world's advances in neuro, bio, and mechanical augmentations. Administrated by corruption, the companies advances took over a majority of the world's technological affairs, abusing resources to try and thrive and maintain a better life after the war that left a large portion of the northern hemisphere to ruins. The lack of earth's resources led to a revolution against largely owned controlling companies of the world; VexTech was a primal target.
The company acted fast upon the revolting citizens of the north and began a mass production of brainwashed soldiers to fight for them. However, administrators believed it was a primitive way to deal with the matters at hand, having thousands of soldiers could easily be replaced by a few dozen and so a new experimentation had begun. The company's advances in human augmentations had led to something sinister.
A dozen men, memories wiped clean and biologically weaponized, were granted fabricated abilities from the company. The ability to control the world's elements and defy the laws of nature was just the beginning of something terrible. VexTech was not playing with fire, they opened Pandora's Box; they had developed world class killing machines; The Subjects...
Subject #09 was soon to become one of VexTech's largest rebound as he began to gather fragments of his memory; he began to think for himself. He was about to change the future of the world...

2092年，维克斯科技集团在神经、生物与机械增强技术领域的突破，撑起了全球该类技术发展的半壁江山。然而集团内部腐败丛生，借技术优势垄断了全球绝大多数科技产业；为在那场令北半球大片土地化为焦土的战争后谋求生路、维系优渥的生存状态，集团肆意掠夺各类资源。
地球资源的枯竭，引燃了反抗全球大型垄断企业的革命之火，而维克斯科技，便是这场革命的首要目标。
面对北方奋起反抗的民众，集团迅速采取行动，大批量制造被洗脑后的士兵为其卖命。但集团高层认为，这种应对当下危机的方式太过原始 —— 数千名士兵的战力，本就可被数十人替代。一场全新的实验，就此启动。集团在人体增强技术上的积淀，终将催生出一桩邪戾的产物。
十二名实验者，被抹去所有记忆，经生物改造成为致命武器，还被集团赋予了人造异能。操控天地元素、忤逆自然法则，这不过是这场恐怖浩劫的开端。维克斯科技此番并非玩火，而是亲手打开了潘多拉魔盒 —— 他们造出了顶尖的杀戮机器，而这些实验者，便是魔盒中最可怖的存在。
九号实验体，很快成为了维克斯科技最致命的反噬。他开始拼凑起记忆的碎片，拥有了独立的思想。而这个男人，即将改写世界的未来……