I'm glad that you enjoyed it! The sun and moon were an attempt to show that you were journeying east, but I understand the confusion. If you are interested in the project, I am currently making it into a full game. You can check out the dev blog (which literally started yesterday) here.
Recent community posts
I think the exploration aspect is really fun, so it'd be fun to have random generated things - broken statues, old ruins. They'd add a lot of atmosphere to the game, and they'd make great landmarks (I'm terrible with directions so I ended up digging X's in the ground with my shovel as waypoints.)