Challenges - Figure drawing and Buildbox

This month I have decided to take part in 2 challenges, the first is the pencil kings Figure drawing challenge:
http://www.figuredrawingchallenge.com/

This looks like it will be a great way to improve and network with other artists, and is bound to improve my anatomy and proportion.  As I've been getting into portraiture lately this should be great fun.

Here is my Pre-Challenge Figure Sketch:

I quite like the legs but the whole upper body needs a rework but considering I spent about 10 minutes on it, I'm reasonably happy with it.

And the second is the Buildbox create a game in 30 days challenge:
https://www.buildbox.com/

Build box is a drop and drag game engine for creating 2D games without programming, and seems

I'm looking forward to improving through these challenges :)