Do A Barrel Roll??

This is a unforgiving platformer game where player control a barrel to roll and jump. Which when player fail, they fall like Sisyphus' Rock. However, with skills. Player can minimize the loss of progress.  Player act as a crew mate from a ship. Rejecting its duty with the barrel. Got thrown into the ocean. Ended up on an island. Got nothing to do but climbing the mountain. This is a Demo version…