1. Blinking is a bug yeah. See point 3.
2. Hmm maybe the colour palette is too much for a calm game? You're not the first person to mention it.
3. I ran out of time to fix some serious bugs and complete the movement logic. I started the game jam a day or two late for personal reasons, so I was playing catch-up from the start.
I rushed out a hacky solution to a lot of things and I'm now inundated with technical dept. It turns out iterating on hexagons with a moving window in 6 directions in 2 dimensions in C is as about as hard as it sounds x3. I've never done it before so I didn't know.
I have my friend to thank for pushing my out of my comfort zone with this one. I've definitely learnt a lot and I got something out it that is solid for what it is.
4. Thank you for giving my game the benefit of the doubt, it's really nice to hear. If I have time, I'll put out some patches to fix some of these issues in future.