Crafting a tadpole in Subnautica 2 involves a somewhat tedious search for submarine fragments and a moonpool blueprint. Without those items, you won't unlock the tadpole crafting recipe. It's important to craft this mini-submarine as soon as possible though, as it's the only way to explore the deepest parts of the ocean planet. Here's how to unlock the tadpole blueprint and craft your first submarine in Subnautica 2 . [ Ed. note : Before you dive in, be sure to open the character menu and enable all landmark signals . This will make it easier to spot the locations mentioned in this guide.] How to unlock the tadpole blueprint in Subnautica 2 The tadpole is the first submarine to unlock in Subnautica 2 . To obtain the tadpole blueprint (the crafting recipe), you must scan a total of three tadpole fragments . Tadpole fragments are broken tadpole pieces left by other pioneers, so you typically find them around old human structures.…