we came because of thisand tried to search for that hook game and this is one of the results
Untitled Grapple Hook Game - Demo
A downloadable game for Windows
EDIT: 3/16/2023: Thank you all for checking out my game! But if you're looking for the one from that YouTube video, check here instead: https://cool-bonnie.itch.io/untitled-hook-game
A tech demo from 2015 for a platformer with a grappling hook. Mostly just posting this for completeness's sake.
Since this was just a work-in-progress, there's a lot of debug elements still in the game. As you can see, I didn't quite figure out how to make sloped floors at this time.
A, D: Move
Left Click: Use rope
Right Click: Retract rope
ESC: End game