Explore underwater caves. Plan your tactics. Defeat mutated monsters.

Last remnants of humanity, survivors of the nuclear cataclysm are under constant attacks by mutated monsters.

Threat comes from underwater caverns near the Base - and you are to clear these caves and fight their dwellers.

You will be provided with an ichtis (a battle suit) and range of weapons - but most lethal weapon is your mind and tactical prowess.

- Learn from your mistakes - new enemy will bring new tools to combat; knowledge is key to besting them.

- Choose your weaponry - each fight is unique, your opponent will require individual setups and fighting style.

- Plan, analyze, and adapt! - timely execution of your abilities will be crucial to survival and ultimate victory.