You hang from one cable. Every metre down is loot, every metre is oxygen you will need to climb. Deep Tether is a one-thumb, portrait salvage game where the only real question is: continue, or return?

Drag to steer, hold to ascend. The winch above is your only way home, and the line has a limit.
A single gauge tells you how much oxygen the climb will cost. Cross it and you are betting the pod on what you carry.
Lights and noise draw attention. Go dark to slip past what lives below 200 m, or keep the lights on and read the wreck.
Every haul buys a longer drum, a better scrubber, a heavier clamp. Contracts push you deeper than you meant to go.
Lose the pod and you lose the cargo. The map remembers where it fell; a later dive can bring it back.
Oxygen and a safe return are never for sale. Optional ads only ever appear after a dive ends.
Play as a guest or sign in with Google, Apple or e-mail so your ship follows you across devices. You can delete your account from inside the game (Settings → Account) or from this site at any time.