Upon first launch, v16 will generate a mods folder. This is crucial for custom content. The game will also ask if you want to enable "Extreme Gore" or "Cartoon Mode"—choose based on your tolerance level.
: The post addresses a critical bug where the "free-to-play" beta launched with all content accidentally locked for users, looking like a "pointless executable". Apology and Fixes naughty+sandbox+2+v16+naughty+sandbox