
What would happen if during an expedition the submarine's engines stopped working and you only had your grappling hook to move and do your work?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Try this game before buying.
Hookmarine is a submarine specialized in the recovery of toxic waste on the ocean floor.
What would happen if during an expedition the submarine's engines stopped working and you only had your grappling hook to move and do your work?
Find out in The Hookmarine, a game of skill, patience and frustration.

Play the story mode, a long challenge with lots of different mechanics, secrets and lovely characters, or the arcade mode, a more compact classic challenge where your skill is the most important weapon.
Both modes have leaderboards, try to be the fastest ocean cleaner.

Use a grappling hook to move underwater.
Use that same grappling hook to move a toxic waste barrel.
Clean the ocean taking that barrel out of the water.
Avoid multiple obstacles, including tentacles!
Multiple assist settings.
Two different play modes.
Secrets and easter eggs.
Leaderboards.
Lowest tracked price: €5.99 (Jul 7, 2026) · current best: €5.99.
100% positive reviews all-time.
Right now the cheapest offer for The Hookmarine is €5.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for The Hookmarine is €5.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when The Hookmarine drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.