With nowhere to run or hide, complete the mission in the sea base, Bethesda, deep down in the abyss!- Features○ Easy and intuitive weapon selection○ Weapon boost feature maximizes the satisfaction in hitting enemies○ In the midst of defeating the monsters, use the repair bot to repair the base with a looming sense of tension and thrill.○ Unease as sea creatures can appear at any moment in the flooding base.○ Able to select the difficulty that best suits you.- StoryYear