As a fellow dreamer, cool project! I’ll have to look more into it. However, I’ve been dying to ask another developer/dreamer, what are your thoughts on a video game that trains your brain to do reality checks?
Hey, thanks! I think a "lucid dreaming-based" video game would be really awesome. I'm pretty sure there are already indie projects like this actually, but I haven't tried them yet.
So it would be fun, but for actual LD training... I'm not convinced. I don't think it's sufficient. Just training yourself to do reality checks often is not enough. I've had countless dreams in which I mindlessly did an RC and then went about my dream business just as non-lucidly.
It could be a training aid though. Games as a form of interactive storytelling could help grow the player's metacognition / critical self-reflection, which might lead to more lucidity. And there have been some studies that show video games can help with LD induction (example [0])
If you decide to work on a dreaming-related project like that, definitely send me a message :)