I am currently working on a gameplay mockup.
The game's working title is "Nordwand", and it is gonna be about climbing in the mountains, approx. 100 years ago.
It all started with this simple character:

The next step for me was to show a typical gameplay situation.
[EDIT] Updated creation steps.
Rough concept:

1st iteration:

2nd iteration:

3rd iteration:

4th iteration:

5th iteration:

I'm still missing HUD elements. Also I still want to try some very simple gradient for the sky background (darker towards the top..?)
I've been struggling a bit with the rock texture. I want to use a tiling texture for the rock because of technical / production related reasons (if the game is ever going to be made).
I'm pretty happy with the clouds, but unsure about the distant mountains - however I really do not want to put too much detail into them to not distract from the most important foreground.
The game is most likely gonna be played in 2x the resolution.
Feedback is highly appreciated.