That Fish Eat Fishes is neat. It's simple to play. It's very visually distinctive. Caught me off guard. It's maybe too trivial for steam but there's certainly

That Fish Eat Fishes is neat. It's simple to play. It's very visually distinctive. Caught me off guard. It's maybe too trivial for steam but there's certainly potential to make a game out of it. Add a timer. Add some multiplayer challenge. Add a power or two (dash forward). Make some levels to swim through in increasing difficulty and that's a definitive puzzle/platform game.