It's been a little more than a week-don't judge me! I've finally got a releasable game completed. It's nothing much. In fact, it's a tutorial game (again, don't judge me). It satisfies the requirement of a playable game, with an objective and a way to die.
Essentially, you're playing as a sea horse, trying to collect food from little bubbles that are falling from the top. If you don't, you'll keep growing smaller and eventually die. You've also got some competition-there are other fish in the tank who will try to get to the food first. There aren't any points, or a timer or anything, but it is an interesting little game for about 60 seconds.
Anyway, enjoy!
Download