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.

• 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!