The movement is fun and I can see a lot of cool parkour options being opened up because of how much you can move in 3 dimensions. I noticed that due to the surface polygons, sometimes I would slip off a small ledge after landing on it. For more precision, either adding a high amount of friction or making ledges more level would make the controls tighter. I also couldn't play much because I experience strong motion sickness with 3D aim type games, so I also hope that the mechanic relies more on puzzles and precision rather than fast jerky camera movement. Overall, a really cool concept and I hope you expand on it.