Hook is a puzzle game developed by Rainbow Train, it is more of a game-like experience than a challenge. There are no menus, no achievements, just you and a puzzle.
The game features 50 levels, and the puzzles are wonderfully designed, the atmosphere perfectly tweaked to suit the gameplay. There are no level selector in the game, so you have to complete the level one by one. If you were stuck in the game, check out the below video walkthrough for the game Hook from level 1 to 50.