Thanks for checking out my game! I could probably fit in a few more tile types, but after that I think it would start to be too much cognitive load (unless some older mechanics are phased out). A procedural level generator would be neat though....
You are right, you can probably entertain the gamer with the existing mechanics for quite a while. I'd love to be able to do procedural level generation, maybe it isn't that hard after all - just some decent amount of research.
