Kernmantle

I wouldn't recommend this to anyone but the most hardcore fans of physics-based climbing games. It looks great and the movement system is slick and works well. I'd say it plays better than similar climbing games like City Climber and Heave Ho. But the game is also just too damn punishing! The checkpoints are really far apart and every time you die you loose so much progress it's a real struggle to work up the will to keep going.

A rather demanding, but surprisingly fair physics based platformer.
Gameplay: You walk (or awkwardly run if you can manage) and climb (mostly climb) through a series of vertical challenges by controlling individual limbs with your thumb-sticks and try to survive various hazards and get to the top. The level design is very good and no gimmick felt overused. I'd even say some elements were a bit underused, like swinging balls and rotating wheels - I wouldn't have minded to see them used again, because they were so much fun!
I think fans of Heave Ho!, Human Fall Flat and Getting Over It would definitely enjoy this game.
Presentation: The game has a simple but consistent art style - nothing looks out of place (except perhaps for some of the hazards a little bit) and it doesn't feel "cheap". The sound design is superb - everything sounds like it feels it should and things like grabbing sound give important feedback while climbing, but never get annoying. Music pops up only occasionally, but it sounds good whenever it does. There isn't much story, but there are several amusing NPC's and if you deviate from the path to the top there are some bits that might have some story behind them. Perhaps once you figure out the secret? Not sure.
Difficulty: While some jumps the game expects you to do may seem daunting to pull off or feel like you just have to fling yourself and pray that physics randomly play in your favor, every situation can be handled consistently after you figure out the necessary moves and practice them. The checkpoints are spaced quite far apart, but it doesn't feel overly punishing.
One important thing I'd like to note is that the demo is more difficult than the full game - the stamina was tweaked in the final product which allows you too take a bit of time and poke around the scenery, while in the demo I always felt like I have to sprint to the next safe place and any exploration felt like a huge risk.
Length: I got to the top in about 11 hours, I could probably do it in 8-9 if I just went up, without picking all the flowers and exploring every nook and cranny. At 12.4 hours I haven't found one last item and I'm still not sure how to figure out the puzzle, perhaps backtracking to the beginning will give me some hint.