>>10606139angel was the most successful (circumstantially I'm too lazy to find sales numbers) and the only one to have a good release overseas, don't know much about it besides its sprite work is cute and the secret adult involves raising a holy potted cactus into sparkling poo
ocean and garden are roughly similar to each other, a predator system you have to tap the case to scare off, temperature system that affects the evos on top of care (i.e. there's a max care warm stage and a max care cold stage), and the biome gimmick, but they're apparently some of the hardest tamas to keep alive and they scream a lot