After you reach the surface and get to work making your new aquatic habitat a home, your Subnautica 2 adventure hits a snag: You can't digest any of this planet's lifeforms. Whatever fish you catch throw up warnings about "digestive incompatibility." Mercifully, Subnautica 2 leaves the physical consequences of underwater indigestion to our imaginations, but you will have to solve this problem to progress.
