The latest iteration focuses on visuals. The first thing I did was improve the starting screen; there's now a signpost hinting the player where to go. I also tweaked the layout so that it looks a bit more thought out.

The second thing I did was tweaking the palette and improving the procedural grass generation. I first took a screenshot of the game and edited it in Photoshop by hand:

Once I had something that I was pretty happy with, I tried to recreate that in code. I got pretty close:

I'm pretty happy with the end result and I think it's good enough for now. For reference, this is what I started with:

Next, I'll focus on extending the level and trying out some gameplay ideas.

Cheers!