Woah, this is nice for a first game!
I like how you provided screen and sound settings in the game, as many early gamedev projects usually forget to include this!
I know you mentioned you may not have the time or knowledge to fix bugs or update the project, but I would still like to leave some feedback:
- Ame spawned twice in a row on the ocean. It would be cool to have her spawn somewhere on land instead. This would require additional logic to search for a proper spot on the map before spawning her.
- I can't see where Mumei is coming from. A marker arrow or just a number on the screen showing the distance between her and Ame would be nice.
- The screen color change to signal 'danger' of Mumei being nearby should trigger at a greater distance, considering Mumei moves extremely fast and most of the times is out of sight.
- Does it help in any way to walk? If it doesn't, maybe have running mode enabled by default and remove the shift key.
- The movement direction doesn't seem to follow the character facing direction, which makes it hard to control.
- Audio settings reset between scenes. Check if you're reading this setting and updating your music player object when loading a scene (start or awake methods).
- Performance wise, it takes a long time to load scenes and the game has quite a large memory footprint just at the main menu where there isn't much going on. For comparison, most other Unity games I've played (including the ones I've developed) sit at around 200Mb at the main menu screen. This game jumps up to 700Mb. I think there may be some cleanup to do somewhere in the scene. XD
I hope you find some time to make more games in the future!
Good job!