In this narrative-driven, third-person survival horror game set 300 years in the future, the player will take on the role of Jacob Lee – a victim of fate thrown into Black Iron Prison, a maximum-security penitentiary located on Jupiter's moon, Callisto. When inmates begin to transform into monstrous creatures, the prison is thrown into chaos. To survive, Jacob must battle his way to safety to escape Black Iron Prison, while uncovering the dark and disturbing secrets buried beneath the surface of Callisto. Using a unique blend of shooting and close-quarters combat, Jacob will need to adapt his tactics to combat the rapidly evolving creatures while scavenging to unlock new weapons, gear, and abilities to outrun the growing threat and escape the horrors of Jupiter's Dead Moon.

 

《木卫四协议》是一款剧情推动型第三人称生存恐怖游戏，故事时间背景设定为300年后。玩家将扮演雅各布·李，他受命运的捉弄被关进了黑铁监狱，这是一座位于木星卫星木卫四中安全等级最高的监狱。在同狱犯人变成极为可怕的怪异生物那一刻起，整个监狱便陷入了混乱。为了生存下去，雅各布必须不断战斗来保证自身安全，并逃离黑铁监狱，与此同时还要揭开木卫四中暗藏的黑暗可怕秘密。游戏独具一格，融合了射击与近距离作战，雅各布需要调整战术与迅速进化的生物作战，同时从废物中寻找有用物品来解锁新武器、装备和技能，以逃脱越来越可怕的威胁，并逃离这个恐怖的木星死亡卫星。