Extricating lines requires pressing buttons to retract each in ways without causing collisions. The puzzles begin simply, but soon the interlocking lines begin meshing in complex ways, requiring more attention and planning to solve.
In our review, we praised the increasing complexity of the puzzles, introducing branching lines and switches that activate different sections. It's a concept that becomes more taxing and tricky than it first appears.
HOOK can be downloaded for free on the App Store.