Welcome, Commander.
Your fleet of advanced submarines awaits. Use your console to deploy them on autonomous missions across the ocean, then return at your lesiure to claim rewards and dive even deeper through uncharted waters in this free-to-play idle game.
Explore The Depths
Every mission is a step towards becoming a legendary commander.
Build a Fleet
Choose from a diverse array of specialized submarines, from nimble but hardy scouts to deadly leviathans, each with their own capabilities.
Dispatch on Missions
Pick the right submarine for the job to maximize rewards and minimize drawbacks. Operate minigames to defeat rivals and set high scores.
Salvage and Profit
After a mission completes, sell materials for additional scrap, or use them to enhance and grow your fleet so you can take on more missions.
Grow your Legend
Cooperate with other Commanders to defeat dangerous Abyssal creatures, and compete with them for promotions in tiered weekly Squadrons.
Command Your Fleet
Build and deploy a variety of submarines, each suited for different tasks.
Ready to Take Command?
Your fleet is waiting. Sign up now and play for free.