Hi, 
sorry that this update is a bit late. I was in Bulgaria at a marriage of two friends.
New Grappling Hook Trailer:
The song is part of the game music among 4 other tracks. The name of the song is Cellule by Silence.
Latest changes:
- added music to the game
- polished the levels again
- Playtests with Fabian, Heiko, and Roger ( Thank you )
- changes some sounds
- fixed alot of small bugs
